reference leak造句

standard practice for calibrating gaseous reference leaks
气体基准泄漏量校准标准规程
non-destructive testing-leak testing-calibration of reference leaks for gases
无损检验.泄漏试验.参考漏汽量校准
non-destructive testing-leak test-calibration of gaseous reference leaks
无损检验.泄漏检验.气体标准泄漏量的校准
non-destructive testing-leak test-calibration of gaseous reference leaks; german version en 13192 : 2001
无损检验.泄漏试验.气体基准泄漏的校准;德文版本en
It's difficult to find reference leak in a sentence. 用reference leak造句挺难的