例句與造句

1. Fill up with mud every 5 joints of casing when running surface casing
   下表層套管時(shí)，每5根套管灌滿一次泥漿。
2. Tianjin international steeltube trade center main production main products are : stainless steel pipe , seamless pipe , high - temperature high - pressure pipe , tube chemical , mechanical structure with steel pipes and cylinder pipe , line pipe and large - diameter surface casing various material models of various series
   天津國際商貿(mào)管材銷售中心主要生產(chǎn)經(jīng)營主要產(chǎn)品有：不銹鋼管、無縫圓管、高壓高溫鋼管、化工用管、機(jī)械構(gòu)造用鋼管、氣瓶管、管線管、大口徑表層套管各種不同材質(zhì)不同型號(hào)的各種系列。
3. It's difficult to find surface casing in a sentence. 用surface casing造句挺難的