pneumatic resistance meaning in Chinese

气阻

Communication cables - specifications for test methods - environmental test methods - pneumatic resistance
通信电缆.试验方法规范.环境试验方法.耐气动性
Communication cables - specifications for test methods - part 4 - 9 : environmental test methods - pneumatic resistance
通信电缆.试验方法规范.第4 - 9部分:环境试验方法.气动电阻
Communication cables - specifications for test methods - part 4 - 9 : environmental test methods ; pneumatic resistance ; german version en 50289 - 4 - 9 : 2001
通信电缆.试验方法规范.第4 - 9部分:环境试验方法.气动