航海英語(yǔ)船舶修理業(yè)務(wù)單項(xiàng)選擇題每日一練(2019.01.13)

來(lái)源：考試資料網(wǎng)

1 Starting motors，generators，and other spark producing devices should be mounted as high above the bilges as possible to（）.

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2 A special device that，when fitted into the rotary table，transmits torque to the kelly and simultaneously permits vertical movement of the kelly to make the hole is called a（）.

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3 The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the（）.

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4 If your bridge-to-bridge radiotelephone ceases to operate，you must（）.

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5 Under the Vessel Bridge-to-Bridge Radiotelephone Act，failure of a vessel’s radiotelephone equipment（）.

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