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单选题
这些舱盖通常是用电力或液压驱动的。（）
A
These hatches are usually driven by electric or hydraulic power.
B
These hatch covers are usually driven by electric or hydraulic power.
C
These hatch covers are usually driven by electric.
D
These hatch covers are usually driven by hydraulic power.
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更多 “单选题这些舱盖通常是用电力或液压驱动的。（）A These hatches are usually driven by electric or hydraulic power.B These hatch covers are usually driven by electric or hydraulic power.C These hatch covers are usually driven by electric.D These hatch covers are usually driven by hydraulic power.” 相关考题
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A hydraulic motor may be driven by______.A.an electric motorB.a diesel engineC.a compressorD.oil
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水手长，我们为什么要开舱盖?（）A、Bosun, why do we open hatch covers?B、Officer, why do we open hatch covers?C、Bosun, why do we close hatch covers?D、Bosun, why do we open hatches?
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开关舱的工作通常是由船员来做。（）A、The work of opening and closing hatches is usually done by crew members.B、The work of opening and closing hatch covers is usually done by crew members.C、The work of opening hatch covers is usually done by crew members.D、The work of closing hatch covers is usually done by crew members.
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船舶的舱盖有多种类型。（）A、There are several types of hatch covers on board ship.B、There are several types of hatches on board ship.C、There is one type of hatches on board ship.D、There is one type of hatch covers on board ship.
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Are you testing the（）(液压舱盖)?A、hydraulic hatch coverB、hydraulic release unitC、hydraulic oil jackD、automatic hatch cover
考题
这些舱盖通常是用电力或液压驱动的。（）A、These hatches are usually driven by electric or hydraulic power.B、These hatch covers are usually driven by electric or hydraulic power.C、These hatch covers are usually driven by electric.D、These hatch covers are usually driven by hydraulic power.
考题
高速和野蛮操作舱盖均是危险的。（）A、High-speed operation and rough handling of hatches are dangerous.B、Low-speed operation and rough handling of hatches are dangerous.C、Low-speed operation and rough handling of hatch covers are dangerous.D、High-speed operation and rough handling of hatch covers are dangerous.
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The cargo gear includes（）.A、derrick, winches, cargo ropes and wiresB、derricks, windlass, capstanC、hatch covers, derricks, windlassD、cranes, hatches, lashing wires
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Bosun, I’ve never operated the hatch covers （）by hydraulic power.A、poweredB、drivenC、movedD、opened
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我船配有自动舱盖。（）A、Our ship is equipped with automatic hatch covers.B、Our ship is equipped with folding-type hatch covers.C、Our ship is equipped with side-rolling hatch covers.D、Our ship is equipped with rolling-type hatch covers.
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装卸货之前，打开舱盖。（）A、After loading and discharging, hatch covers will be opened.B、After loading and discharging, hatch covers will be closed.C、Before loading and discharging, hatch covers will be opened.D、Before loading and discharging, hatch covers will be closed.
考题
These hatch covers are usually driven by electric or hydraulic power.（）A、这些舱盖通常是用电力驱动的B、这些舱盖通常是用液压驱动的C、这些舱盖通常是用电力或液压驱动的D、这些舱盖通常是用油压或液压驱动的
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The（）(自动舱盖) is operated by electric or hydraulic power.A、automatic hatch coverB、folding type coverC、hatch coamingD、side-rolling type cover
考题
单选题船舶的舱盖有多种类型。（）A
There are several types of hatch covers on board ship.B
There are several types of hatches on board ship.C
There is one type of hatches on board ship.D
There is one type of hatch covers on board ship.
考题
单选题开关舱的工作通常是由船员来做。（）A
The work of opening and closing hatches is usually done by crew members.B
The work of opening and closing hatch covers is usually done by crew members.C
The work of opening hatch covers is usually done by crew members.D
The work of closing hatch covers is usually done by crew members.
考题
单选题The（）(自动舱盖) is operated by electric or hydraulic power.A
automatic hatch coverB
folding type coverC
hatch coamingD
side-rolling type cover
考题
单选题A hydraulic motor may be driven by （）.A
an electric motorB
a diesel engineC
a compressorD
oil
考题
单选题我船配有自动舱盖。（）A
Our ship is equipped with automatic hatch covers.B
Our ship is equipped with folding-type hatch covers.C
Our ship is equipped with side-rolling hatch covers.D
Our ship is equipped with rolling-type hatch covers.
考题
单选题高速和野蛮操作舱盖均是危险的。（）A
High-speed operation and rough handling of hatches are dangerous.B
Low-speed operation and rough handling of hatches are dangerous.C
Low-speed operation and rough handling of hatch covers are dangerous.D
High-speed operation and rough handling of hatch covers are dangerous.
考题
单选题水手长，我们为什么要开舱盖?（）A
Bosun, why do we open hatch covers?B
Officer, why do we open hatch covers?C
Bosun, why do we close hatch covers?D
Bosun, why do we open hatches?
考题
单选题Bosun, I’ve never operated the hatch covers （）by hydraulic power.A
poweredB
drivenC
movedD
opened
考题
单选题Camshafts are usually driven by timing gears or （）.A
push rodsB
chain drivesC
rocker armsD
flywheels
考题
单选题装卸货之前，打开舱盖。（）A
After loading and discharging, hatch covers will be opened.B
After loading and discharging, hatch covers will be closed.C
Before loading and discharging, hatch covers will be opened.D
Before loading and discharging, hatch covers will be closed.
考题
单选题These hatch covers are usually driven by electric or hydraulic power.（）A
这些舱盖通常是用电力驱动的B
这些舱盖通常是用液压驱动的C
这些舱盖通常是用电力或液压驱动的D
这些舱盖通常是用油压或液压驱动的
考题
单选题Lube oil pumps taking suction from the sump of most small marine engines are usually （）.A
of the diaphragm typeB
of the centrifugal typeC
of the positive displacement typeD
independently driven by electric motors
考题
单选题About the jacket water, that of the auxiliary engines usually（） is circulated by pumps, and the main engine usually （）A
an engine-driven；as wellB
an engine-driven；has an independent pumpC
an independent；as wellD
an independent；has an engine-driven pump
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