常見例句雙語例句There is way named oil taking in vacuous pipe commissioning on basis of the actual case of the west crude oil pipeline.依據(jù)西部管道原油管道的實際情況，分析判斷出了該條管道投產(chǎn)必須使用空管投油投產(chǎn)的方式。lib.swpu.edu.cn 返回 vacuous basis