gas tightness

短语词组

短語

• gas -tightness 不透氣性
• Gas Storage Tightness 氣庫密封性
• concrete gas -tightness 混凝土氣密性
• Test method for gas -tightness 氣密性測試方法
• gas tightness test 氣密性試騐
• leak gas tightness 密閉度
• capsule gas tightness 氣密性
• Gas Tightness Good 氣密性好
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