衬: Ⅰ动词1.(在里面托上一层) line; place sth. underneath 短语和例子衬驼绒的大衣 a fleece-lined overcoat; 衬上一层纸 put a piece of paper underneath; 他在运动服里面衬着游泳衣。 he wore his swimsuit underneath his slacks.2.(陪衬; 衬托) s
焊接: weld; welding; soldering; seal; sealing; sealing-in; shutting together 短语和例子电弧焊接 (electric) arc welding; 焊接材料 welding material; 焊接操作 welding operation; 焊接车间 welding shop; 焊接点 point of weld
