航海英語船舶設備名稱單項選擇題每日一練(2019.01.09)

來源：考試資料網(wǎng)

1 If the engine of a survival craft does not start，check to see（）.

2 The portable radio apparatus means（）.

3 An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.

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4 A term applied to the bottom shell plating in a double-bottom ship is（）.

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5 The series of valves used to control the return flow in well control operations is called the（）.

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