... wedge photometer 楔形光度计 wedge plug 锥塞 wedge power chuck 楔式动力卡盘 ...
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... 塞 fill in; stuff 楔形塞 headed cork; wedge plug 锥形塞 conical plug ...
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wedge plug ruler 楔形塞尺
Wedge-plug lock 插头锁楔
wedge plug detail 锥塞
plug wedge 楔形塞
plug and wedge 裂石楔
·2,447,543篇论文数据，部分数据来源于NoteExpress
A newly developed pipeline plug is composed of a central pipe, balloon, piston, spring, clamp, backplate, inside and outside joints, connecting plate and a wedge key.
开发的新型管道封堵器由中心管、气囊、活塞、弹簧、夹板、护板、内接头、外接头、连接板和楔键等组成。
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