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單項選擇題

Which of the following items don’t belong to dock repair works?（）

A.the SW outboard valves
B.the tailshaft LO stop valve
C.the drain valve of the boiler
D.propeller shaft sealing device

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單項選擇題

When ship in the dock repairing, engine department should emphasize on the inspection of（）

A.sea valve chest, sect valve, thruster
B.bilge motherboard, steering and the shaft system
C.sea water system
D.fresh water system

單項選擇題

We should apply for annual spare parts according to（）
Ⅰ.he need of annual overhaul
Ⅱ.he storage of spare parts
Ⅲ.he storage capacity of spare parts room

A.Ⅰ
B.Ⅱ
C.Ⅰ+Ⅱ
D.Ⅲ

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