【名词&注释】
探测器(detector)
[单选题]感温探测器应经过验证，当温度以每分钟不超过_____的速率升高时，在温度超过78℃之前动作，但在温度超过54℃之前不应动作。
A. 1℃
B. 2℃
C. 3℃
D. 5℃
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举一反三：
[单选题]下列场所中_______地点一般不张贴应变部署表。
A. 艇筏集合站
B. 餐厅内
C. 走廊
D. 甲板
[单选题]When adding oil to a refrigeration system, precautions must be taken to ensure that
A. the compressor suction pressure is not too high
B. all air is purged from the pump and charging fittings
C. the high pressure cutout switch is held open to prevent accidental starting
D. the condenser is completely shutdown first
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