在泵送液态烃时，机械密封很容易泄漏。
Mechanical seal was easy to leak when the pump transported liquid hydrocarbon.
该泵采用机械密封，密封性能好。
The pump use of mechanical seal, sealed performance is good.
机械密封安置在电机轴与泵腔之间。
The mechanical seal is arranged between the shaft of the motor and the pump cavity.
这台泵的机械密封泄露严重。
The leakage of the mechanical sealing of this pump is severe.
这台泵的机械密封泄露严重。
The leakage of the mechanical sealing of this pump is severe.
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