______continuously extract the crankcase atmosphere, via a pipe system, and move it past a
A. The oil mist detectors
B. The smoke detectors
C. An oily water monitor
D. Oil discharge monitoring and controlling system
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Constant cooling the various components of diesel engine has a number of functions except
A. good lubrication
B. low thermal stress
C. good mechanical properties
D. acid corrosion
The cetane number of a diesel fuel oil indicates its ______.
A. ignition quality
B. acid content
C. heating value
D. viscosity
Always ensure that the turning gear is______, even at the quay, the wave from other ships
A. disengaged
B. engaged
C. assembled
D. disassembled
众筹的模式:()。
A. 用团购募集项目资金的模式
B. 用预购形式募集项目资金的模式
C. 用团购+预购形式募集项目资金的模式
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