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;
  文章在概述连续管发展的基础上,综述了连续管钻井的优缺点、连续管钻井作业系统、类型及应用范围;
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