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單項(xiàng)選擇題

In order to avoid shock, reduce the speed by （）.

A. control level
B. control panel
C. inching control
D. low speed

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單項(xiàng)選擇題

According to the customs of the port, hatch covers are to be operated by （）.

A.stevedores
B.watchmen
C.winchmen
D.foremen

單項(xiàng)選擇題

（）lashing bar needs renewing.

A. The lost
B. The used
C. The deformed
D. The small

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