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航海英語船舶設備名稱單項選擇題每日一練(2019.01.25)

來源：考試資料網(wǎng)

1 Permission is kindly requested（）the ballast water.

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2 The holding capability of an anchor is primarily determined by the（）.

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3 A spark arrestor（）.

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4 The bypass valve on a self-contained breathing device should be opened if（）.

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5 A sextant having an index error that is off the arc has a（）.

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