Railway rolling stock . airtightness test of an air - conditioning system for railway vehicles 铁路车辆.铁路车辆的空调系统的气密性试验
Development and application of the leakage examination system for a spacecraft - airproof - checking room 飞船检漏间气密性检测系统研制与应用
Packaging - flexible tubes - test method for the air tightness of closures ; german version en 12377 : 1998 包装材料.软管材.封闭体的气密性试验方法
Elements of electrical and optical connection - test methods - gastightness of solderless wrapped connections 光电连接元件.试验方法.无焊绕接的气密性
Relativity between gastightness and dosage and concentration in recirculation fumigation of phosphine 仓房气密性与磷化氢环流熏蒸用药量及浓度的相关性
Test methods for properties of structure ceramic used in electronic components - test method for gas - tightness 电子元器件结构陶瓷材料性能测试方法气密性测试方法
Test procedure for determination of gas - tight characteristics for electrical connectors , sockets and or contact systems 电连接器插座和或接触系统气密性测定的试验程序
For services that require bubble tight shutoff specify pacific ' s high integrity shutoff gate valves 对于要求气密性关闭的应用场合，可以指定美国太平洋高度完全关闭闸阀。
Constructed of high - density flexible nylon fabric to ensure abrasion , chemical , moisture and air resistant 外层材料高密柔软的尼龙布制造，防磨损、防腐蚀、防霉变、气密性高、耐用性强。
Aerospace series - elements of electrical and optical connection ; test methods - part 312 : air leakage ; german version en 2591 - 312 : 1997 航空航天系列.光电连接件.试验方法.第312部分:气密性
