Valve flap and valve seat for the soft seal, seal performance, no leakage.
阀瓣与阀座为软密封，密封性能好，无泄露。
The gluing deteriorates seal performance and connection strength of casing directly.
套管一旦发生粘扣，直接影响到套管柱的密封性能和连接强度。
Changes in the spring performance will directly affect the mechanical seal face pressure.
弹簧性能的发生变化将会直接影响机械密封端面比压。
"The data show that the materials performance is very good," says Seal.
“数据显示该材料性能非常好。”西尔说。
Durable, has no special seal leakage performance characteristics.
具有经久耐用、特殊轴封毫不泄漏等性能特点。
The pump use of mechanical seal, sealed performance is good.
该泵采用机械密封，密封性能好。
This product has logical structure, reliable seal, excellent performance and nice design.
产品结构合理、密封可靠、性能优良、造型美观；
This product has logical structure, reliable seal, excellent performance and nice design.
产品结构合理、密封可靠、性能优良、造型美观；
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