air tight test 气密试验 ; 气密性检验 ; 气密性实验
air-tight test 气密试验 ; 气密性试验 ; 气密度试验
air tight test pressure 气密性试验压力
air - tight test 闭气试验
Air-tight test method 气密试验方法
gas-tight test air-right test 气密性试验
air tight pressure test 气密耐压试验
The commonly used hydraulic seal test and air-tight test for the closed plastic container need to drill a hole on the container body. After test, the container is wasted.
闭口塑料容器一直采用桶身钻孔进行液压和气密试验，浪费较大。
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