The water that is treated by the filter enters the body through the inlet, and the impurity in the water is deposited on the stainless steel strainer, resulting in the pressure difference. It is detected by pressure differential switch
Expansion of the passenger train, the beijing-kowloon railway, turn back, change the path and hung with command vehicle, respectively by the ministry of railways, railway passenger transportation scheduling report director on duty, on duty director agreed upon signature, released by the passenger dispatcher.
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