【化】 weld trimmer

焊縫的英語翻譯：

welding line
【化】 bead; weld joint; weld(ing) seam; welded joint; welding bead

清理的英語翻譯：

clean up; clear; liquidate; put in order; sort out; straighten out
【經(jīng)】 disposal; liquidation; wind up business

機(jī)的英語翻譯：

chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【醫(yī)】 machine