coupling with plain ends 无螺纹接箍
tubing with plain ends 平端油管 ; 内平油管
both ends plain 两端平 ; 两头平
plain square cut off ends 端部切平齐
Spherical plain bearings rod ends 杆端关节轴承
But Sebold catches herself in the Nick of time, and the book ends on the same appealingly plain-spoken note that it opens with: "I wish you all a long and happy life," Susie says.
但是赛博尔德在紧要关头收紧了自己的笔锋，全书最后依然以如同一开始那样的引人入胜的平淡笔记风格结尾：“我祝你们健康长寿，幸福安康”，苏茜说道。
But Sebold catches herself in the Nick of time, and the book ends on the same appealingly plain-spoken note that it opens with: 'I wish you all a long and happy life,' Susie says.
但是赛博尔德在紧要关头收紧了自己的笔锋，全书最后依然以如同一开始那样的引人入胜的平淡笔记风格结尾：“我祝你们健康长寿，幸福安康”，苏茜说道。
The structure characteristics of the plain-end chamfering machine for stell pipe ends are described.
介绍了钢管端面平头倒棱机的设备结构特点。
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