题目内容

烟雾信号

A. Self-igniting lights.
B. Smoke signals.
C. Battery.
D. Lines.

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干粉

A. C02.
B. Dry powder.
C. Foam.
D. Soda-acid.

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消防站

A. Bridge.
B. Fire control station.
C. Engine control room.
D. Engine room.

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检查灭火器的内容物。

A. Check its pressure.
B. Leave engine room or holds.
C. Measure its weight.
D. Check the content of extinguisher.

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液体含量小于总重量的10%

A. The liquid content is less than 10% of the total weight.
B. The liquid content is more than 10% of the total weight.
C. When the content is less than 10% of the total.
D. When the weight is more than 10% of the total.

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烟雾信号

A. Self-igniting lights. B. Smoke signals. C. Battery. D. Lines.

干粉

消防站

检查灭火器的内容物。

液体含量小于总重量的10%

A. Self-igniting lights.
B. Smoke signals.
C. Battery.
D. Lines.