gas-tightness test 气密性试验
Test method for gas-tightness 气密性测试方法
gas-tightness 不透气性
Gas Tightness Good 气密性好
gas tightness test 气密性试验
concrete gas-tightness 混凝土气密性
gas tightness detection 气密性检验
corrosion-proof gas tightness concrete 抗腐蚀气密性混凝土
High conductivity and gas tightness are the basic requirements for bipolar plate materials.
高电导和气密性是双极板材料需有的基本性能。
The gas tightness of the sealing mechanism is effectively guaranteed through the design of the sealing mechanism.
通过以上密封机构的设计，有效保证了其密封机构的气密性。
Gas tightness and water tightness ensure Goldcommon door and window system to produce healthy and comfortable living conditions.
柯曼门窗系统创造健康、舒适的居住环境，离不开优良的气密性和水密性。
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