D．uring the dock repair,______should be measured firstly before tail shaft drawn out.

A．the sinking of tail shaft

B．the clearance of stern bearing

C．the total flexure of shaft

D．main engine crankshaft deflection

[单选题]D．uring the dock repair, when installing the tail shaft and propeller, _____ should be on the spot for supervisingA．chief engineerB．engineerC．captainD．any member of the engine department

[单选题]D．uring the dock repair, when installing the tail shaft and propeller, ____ should be on the spot for supervisingA．chief engineerB．engineerC．captainD．any member of the engine department

[单选题]During repair,lubrication lines and orifices must be （）.A . taken awayB . engagedC . connectedD . sealed off

[主观题][ ] During negotiations, one should treat an opponent with respect and considerationat all times.

[名词解释] 修复(repair)

[名词解释] 切除修复（excision repair）

[名词解释] 直接修复（direct repair）

[名词解释] 英译中：Dock Receipt

[单选题]C．leaning, painting and repair work is known as ______.A．maintenance workB．sailor’s workC．daily work

[单选题]A．lthough a ship usually has repair in a shipyard, ________ is also necessaryA．the general repair on boardB．the voyage repairC．the annual repairD．the dock repair