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單項選擇題

A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a（n）（）.

A.Exemption space
B.Tonnage deck
C.Cofferdam
D.Tonnage opening

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單項選擇題

A tackle by which the outer end of a boom is raised and lowered is the topping（）.

A.Boom
B.Lift
C.Raise
D.Tackle

單項選擇題

A stopper is（）.

A.A short length of line used for temporarily holding another line
B.A snatch block for handling a topping lift
C.An engine order telegraph
D.The brake on a cargo winch

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A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a（n）（）.

你可能感興趣的試題

A tackle by which the outer end of a boom is raised and lowered is the topping（）.

A stopper is（）.

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