罩: Ⅰ动词(遮盖; 扣住; 套在外面) cover; overspread; wrap 短语和例子棉袄外面罩着一件蓝布褂儿 wear a blue dustcoat over one's cotton-padded jacket; 城市上空罩上了一层烟雾。 the sky over the city was overspread with a heavy smog. 迷雾笼罩山
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