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
护: 动词1.(保护; 保卫) protect; guard; shield 短语和例子护厂 guard a factory; 护林 protect a forest; 用手遮护眼睛 shield one's eyes with one's hand; 他举起手臂护住脸以免被拳击中。 he raised his arm to protect his face from the b
