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單項(xiàng)選擇題

Vapor given off by a flammable liquid will burn when ignited provided（）

A.the vapor and air mixture is too rich
B.it is mixed with certain proportions of air
C.the vapor is too little compared to the air
D.it is of heavy toxicity

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單項(xiàng)選擇題

Fixed piping leads from the（）to various areas of the compartment to be flooded.

A.manifold
B.remote pull box
C.discharge nozzle
D.machinery space

單項(xiàng)選擇題

When the ship is under attack by pirates,or terrorists,（）needs to be activated.

A.AIS
B.SSAS
C.SSP
D.SART

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Vapor given off by a flammable liquid will burn when ignited provided（）

你可能感興趣的試題

Fixed piping leads from the（）to various areas of the compartment to be flooded.

When the ship is under attack by pirates,or terrorists,（）needs to be activated.

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