英语VENT指（）
- AA、放大器
- BB、火灾盘
- CC、检测元件
- DD、通气孔
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1、A venetian vent or rice ventilator is
A venetian vent or rice ventilator is used in stowage of which cargo?（）.ABagged cargoBBulk grainCBulk riceDRefrigerated good
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英语SWITCH指（）AA、仪表BB、开关CC、按钮DD、信号
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3、The wooden plug inserted in the vent o
The wooden plug inserted in the vent of a damaged tank should be removed if you are going to （）.Apump from the damaged tankBfight a fireCabandon shipDuse the crossover system
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4、Safety valves on a boiler vent to the
Safety valves on a boiler vent to the （）.Afuel tankBbilgeCatmosphereDauxiliary exhaust line
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下列英语指污损的是（）。ASCRATCHEDBMISSINGCSTAINED
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英语SPRING指（）AA、活塞BB、开关CC、按钮DD、弹簧