短語(yǔ)詞組短語(yǔ)air - tightness test 氣密性試驗(yàn)air tightness test for tank 液艙氣密性試驗(yàn)Air spring Air Tightness Test 空氣彈簧氣密性測(cè)試air pressure test for tightness 氣密性試驗(yàn);氣密性氣壓試驗(yàn) 返回 air tightness test