pipeline conveyance造句

例句与造句

1. Special tool motivated by gas , liquid or pipeline conveyance medium to cleanup the pipeline , which can carryover the electronic launcher instrument and the ground tracking device
   由气体、液体或管道输送介质推动，用以清理管道的专用工具。它可以携带电子发射装置与地面跟踪仪器。
2. It's difficult to find pipeline conveyance in a sentence. 用pipeline conveyance造句挺难的