常見例句In the paper, on the basis o f giving a brief account of the expansion of coiled tubing, the merits and demer its of CTD and its operating system, type and application range are summarized; 文章在概述連續(xù)管發(fā)展的基礎(chǔ)上,綜述了連續(xù)管鉆井的優(yōu)缺點、連續(xù)管鉆井作業(yè)系統(tǒng)、類型及應(yīng)用范圍; 返回 Demer