基本解釋[地球科學(xué)]真空取樣器[機(jī)械工程]真空取樣器英漢例句雙語例句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(nèi)殘氣的質(zhì)譜分析，必須解決開琯取樣技術(shù)問題。vacuum sampling tube更多例句專業(yè)釋義地球科學(xué)真空取樣器機(jī)械工程真空取樣器