例句與造句

1. the foaming dth hammer is a new technology method and used as a drilling technique to deal with the special nature geography and complicate strata conditions which transforms the working medium of common dth hammer from the one fluid ( air ) to two-phase fluid compression foam, and uses the foam as motive medium to work
   摘要泡沫潛孔錘是將普通潛孔錘的工作介質從單一流體（空氣）變成兩相流體的壓縮泡沫，并以泡沫作為動力介質驅動潛孔錘工作的新型工藝方法。
2. It's difficult to find fluid compression in a sentence. 用fluid compression造句挺難的