单选题I hereby request permission（）the ship’s main engine for routine maintenance.AimmobilizeBto immobilizeCimmobilizationDimmobilizing
单选题
I hereby request permission（）the ship’s main engine for routine maintenance.
A
immobilize
B
to immobilize
C
immobilization
D
immobilizing
参考解析
解析：
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In the navigation,_______cause the shafting over load most easilyA.stopping the main engine suddenlyB.changing the main engine running direction suddenlyC.the sailing from the shallow water area to the deep water areaD.the ship's trim too much
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If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measures the engineer on duty should _______.A.stop main engine immediatelyB.ask the captain and the chief engineer's permission for stopping the engineC.inquire the bridge for the situation initiativelyD.stop engine and inform bridge
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