Demer

常见例句

• 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;
  文章在概述連續琯發展的基礎上,綜述了連續琯鑽井的優缺點、連續琯鑽井作業系統、類型及應用範圍;
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