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lower surface 下表面;底面

有道翻译

lower end face

低端的脸

以上为机器翻译结果,长、整句建议使用 人工翻译

双语例句权威例句

  • End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.

    端面间隙对接套管焊接后,端面经过机械加工,套管端面依靠螺栓外径套管内径定位对接

    www.jnjiangda.com

  • End face with a gap, no boss butt is refers to the upper and lower casing left a certain gap between the upper and lower main chord rod end face at the same time contact.

    端面间隙、带凸台对接外形在标准上部定位凸台,定位凸台伸人另标准内,套管之间留有一定间隙配合定位。

    www.jnjiangda.com

  • Circular design is adopted for the upper and lower end face of centralizer body to avoid contact with the tubing and the wear and tear between pumping rod and tubing ends of.

    扶正体上下端面采用圆弧设计避免油管接触抽油油管相互切削磨损

    qsk999888.blog.163.com

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