航海英語船體設(shè)備單項(xiàng)選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.

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2 Gross tonnage indicates the vessel’s（）.

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3 The purpose of cant frames in steel vessels is（）.

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4 To determine the weight capacity of a deck in a cargo hold，you would refer to the（）.

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5 The machinery associated with heaving in and running out anchor chain is the（）.

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