包含球轴承、滚柱轴承、轴、弹簧、齿轮、挂钩、心轴和键。用于设计机械工具和机械设备。
Contains ball bearings, roller bearings, shafts, springs, gears, hooks, spindles, and keys. Use to design machine tools and mechanical devices.
这是从一个饭盒，老式相机，歌剧玻璃零件，馅饼服务器，弹簧，鹅颈灯的一部分，布料杆顶尖，时钟键，锡杯。
It was fashioned from a lunch box, camera, opera glass parts, pie servers, springs, gooseneck lamp part, drapery rod finial, clock key, and tin cups.
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。
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.
包含球轴承、滚柱轴承、轴、弹簧、齿轮、挂钩、心轴和键。
Contains ball bearings, roller bearings, shafts, springs, gears, hooks, spindles, and keys.
包含球轴承、滚柱轴承、轴、弹簧、齿轮、挂钩、心轴和键。
Contains ball bearings, roller bearings, shafts, springs, gears, hooks, spindles, and keys.
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