Cov txheej txheem ultrasonic vuam dav siv nrog rau txoj kev vuam, riveting vuam txoj kev, implanting, sib sau, chaw vuam, txiav thiab sealing thiab lwm yam.1. Vuam txoj kev: Lub vuam lub taub hau vibrating nrog ultrasonic ultra-siab zaus nyob rau hauv nruab nrab siab ua rau qhov sib koom nto ntawm ob ...
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