- circumferential butt joint ring
- 週邊對接圈
English-Chinese dictionary. 2013.
English-Chinese dictionary. 2013.
hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… … Universalium