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航海英語船舶設備名稱單項選擇題每日一練(2019.01.10)

來源：考試資料網(wǎng)

1 The exhaust pipe must be gas tight throughout its entire length otherwise（）.

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2 Static electricity may be built up by the（）.

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3 The boat is stowed on the davit rather than on a cradle with which type of davit?（）

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4 Limit switches are used on which davits?（）

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

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