Operation test of emergency switching-off device for oil pump and ventilator (bilge pump) in engine room.
机舱风、油（舱底泵）应急切断装置操作试验。
Petroleum machinery equipment, gas-oil separation pump, vane pump, gas-oil separator, automatic nozzle, emergency shutoff valve.
石油机械设备，油气分离泵，叶片泵，油气分离器，自动喷嘴，紧急切断阀。
Petroleum machinery equipment, gas-oil separation pump, vane pump, gas-oil separator, automatic nozzle, emergency shutoff valve.
石油机械设备，油气分离泵，叶片泵，油气分离器，自动喷嘴，紧急切断阀。
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