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关于“可变气缸切换(Cylinder cut Out,CCO)”功能,正确的说法是()。①当主机的负荷和转速都比较低时,可将主机的工作气缸分为两组,按照时间顺序轮流工作;②从主机起动直至稳定运行期间,气缸切换功能将被屏蔽;③若“取消限制”按钮被按下,或者主机转速偏差超出预定范围,则所有气缸将同时工作;④此功能的目的是保证主机在低转速和低负荷情况下的运转能够更加平稳;⑤此功能可以实现主机最低稳定转速限制
- A、①②③④
- B、②③⑤
- C、①③④⑤
- D、①②④⑤
参考答案
更多 “关于“可变气缸切换(Cylinder cut Out,CCO)”功能,正确的说法是()。①当主机的负荷和转速都比较低时,可将主机的工作气缸分为两组,按照时间顺序轮流工作;②从主机起动直至稳定运行期间,气缸切换功能将被屏蔽;③若“取消限制”按钮被按下,或者主机转速偏差超出预定范围,则所有气缸将同时工作;④此功能的目的是保证主机在低转速和低负荷情况下的运转能够更加平稳;⑤此功能可以实现主机最低稳定转速限制A、①②③④B、②③⑤C、①③④⑤D、①②④⑤” 相关考题
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关于“可变气缸切换(CylindercutOut,CCO)”功能,正确的说法是()。①当主机的负荷和转速都比较低时,可将主机的工作气缸分为两组,按照时间顺序轮流工作;②从主机起动直至稳定运行期间,气缸切换功能将被屏蔽;③若“取消限制”按钮被按下,或者主机转速偏差超出预定范围,则所有气缸将同时工作;④此功能的目的是保证主机在低转速和低负荷情况下的运转能够更加平稳;⑤此功能可以实现主机最低稳定转速限制A.①②③④B.②③⑤C.①③④⑤D.①②④⑤
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He was in hospital for six months. He felt as if he was____ from the outside world.
A. cut off
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单选题In order to inspect both piston and cylinder wall thoroughly, the cylinder cover should be taken off and the piston should be ().A
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考题
单选题关于“可变气缸切换(Cylinder cut Out,CCO)”功能,正确的说法是()。①当主机的负荷和转速都比较低时,可将主机的工作气缸分为两组,按照时间顺序轮流工作;②从主机起动直至稳定运行期间,气缸切换功能将被屏蔽;③若“取消限制”按钮被按下,或者主机转速偏差超出预定范围,则所有气缸将同时工作;④此功能的目的是保证主机在低转速和低负荷情况下的运转能够更加平稳;⑤此功能可以实现主机最低稳定转速限制A
①②③④B
②③⑤C
①③④⑤D
①②④⑤
考题
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the cylinder coverB
the bottom of bed-plateC
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考题
单选题For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the ().A
cylinder casingB
cylinder boreC
crankcase doorD
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考题
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an adequate supply of lube oilB
an adequate supply of fuel oilC
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考题
单选题The pressure range between the system cut in and cut out pressures in a refrigeration unit is known as()A
opposing operational dragB
pressure distributionC
differentialD
system purge
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