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Stop________the derrick at once, the gooseneck is bent.
A.to use
B.to operate
C.maneuvering
D.using
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This ()was repaired in Singapore.A、damaged derrickB、damaging derrickC、derrick to be damagedD、derrick
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()has more than ten percent broken wires. Stop using it at once.A、The cargo runnerB、The cargo blockC、The derrick slingD、The lashing wire
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The blocks and gooseneck of the jumbo need ().A、dismantling and inspectingB、dismantled and inspectedC、to dismantle and inspectD、dismantle and inspect
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这个鹅颈头弯了。()A、This gooseneck is bent.B、This derrick is bent.C、This winch is in trouble.D、This block is worn out.
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单选题这个吊杆的安全工作负荷是6吨。()A
The SWL of the derrick is five tons.B
The SWL of the heavy derrick is six tons.C
The SWL of the derrick is six tons.D
The SWL of the crane is six tons.
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单选题The net productivity per gang-hour can be improved through a decrease of().A
Cranes/derricksB
Crane/derrick cyclesC
Crane/derrick cycle timeD
Weight per package
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单选题这个鹅颈头弯了。()A
This gooseneck is bent.B
This derrick is bent.C
This winch is in trouble.D
This block is worn out.
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单选题When the union purchase derrick is operated, one derrick is positioned over the quayside and the other almost vertically over the ().A
dockB
holdC
pedestalD
machinery space
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单选题The parts of the derrick are: derrick boom rest, gooseneck, center guy, stay, topping lift, topping lift block and so on.()A
吊杆的部件有:吊杆支架、鹅颈头、中心稳索、支索、千斤索和千斤索滑车组等。B
吊杆的部件有:鹅颈头、中心稳索、千斤索、侧稳索、千斤索滑车组和支索等。C
吊杆的部件有:中心稳索、侧稳索、吊杆支架、鹅颈头、千斤索、和千斤索滑车组等。D
吊杆的部件有:侧稳索、中心稳索、鹅颈头、吊杆支架、千斤索、和千斤索滑车组等。
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单选题请调高一下吊杆。()A
Lower the derrick, please.B
Top the derrick, please.C
Swing the derrick, please.D
Adjust the derrick, please.
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单选题A warp end may be fitted for operating the derrick topping wire which adjusts the derrick ().A
lengthB
slackC
heightD
rotation direction
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单选题() may be fitted for operating the derrick topping lift (the wire which adjusts the derrick height).A
A capstanB
A holdC
A warp endD
A mooring drum
考题
单选题()has more than ten percent broken wires. Stop using it at once.A
The cargo runnerB
The cargo blockC
The derrick slingD
The lashing wire
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