例句與造句

1. volume switch procedures
   卷交換程序
2. testing of liquid petroleum hydrocarbons-determination of hydrocarbon types-part 1 : gas chromatographic analysis by column switching procedure
   液化礦物油碳?xì)浠衔餀z驗(yàn).碳?xì)浠衔锝M測(cè)定.第1部分
3. testing of liquid petroleum hydrocarbons-analysis by gas chromatography-part 9 : determination of total aromatics and benzene by column switching procedure
   液態(tài)石油烴試驗(yàn).氣相色譜分析法.第9部分:采用柱轉(zhuǎn)換
4. It's difficult to find switching procedure in a sentence. 用switching procedure造句挺難的