基本解释[地球科學]真空取樣器[機械工程]真空取樣器英汉例句雙語例句It is necessary to solve openning-tube sampling problem for the mass-spectrometer analysis of residual gases in sealed vacuum devices.密封真空器件內殘氣的質譜分析，必須解決開琯取樣技術問題。vacuum sampling tube更多例句专业释义地球科學真空取樣器機械工程真空取樣器