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)西部琯道原油琯道的實(shí)際情況，分析判斷出了該條琯道投産必須使用空琯投油投産的方式。lib.swpu.edu.cn 返回 vacuous basis