密封门气密性自动检测系统_电子资料文库 关键词 : 气密性 自动检测 泄漏率 [gap=386]Keywords: Airproof Capability, Auto-Dectect, Leak
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In the bottom increase "half moon" ring of rubber, under the close status, can increase wedge and body's contact face, make better airproof capability.
底部加入半圆密封筋，在关闭状态下，可增加闸板与阀体的咬合度，使得密封性更好。
This large caliber pipe has well airproof and mechanical capability so that it can be used in gas transmission.
针对这种管道直径大、密封可靠、力学性能良好等特点，可以用于煤矿通风管道。
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