词汇	O.G.L
释义	O.G.L. un.出线🌏公开一般许可证；不限额进口许可证
随便看	helium leak-check helium leak-checking helium leak detecter helium leak detection mass spectrometer helium leak detector helium leak test helium leak-test Helium leak testing of nuclear fuel rod for PWR helium leak test of titanium pressure vessel heliumlike helium-like ion helium liquefaction helium liquefaction, hydrogen liquefaction helium liquefier helium magnetometer helium main-sequence helium maser helium mass flow helium mass spectrographic method helium mass-spectrometer helium mass-spectrometer detecting system Helium mass-spectrometer leakage detector helium mass spectrometer leak detection helium mass spectrometer leak detector helium mass spectrometer leak test