steam boiler safety valve
... 低压蒸汽安全阀 Low Pres. Steam Boiler Valve 蒸汽锅炉安全阀 Steam Boiler Safety Valve 降温减压安全阀 Temperature & Pressure Relief Valve ...
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steam boiler safety valve
蒸汽锅炉安全阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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1 before the fire, steam boiler, should check the valve pipe, steam pipe, pressure gauge, safety valve, water level gauge, drain valve is in good condition.
蒸汽锅炉生火之前，应检查各阀门水管、汽管、压力表、安全阀、水位表、排污阀等是否处在完好状态。
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