地面: 1.(地的表面) the earth's surface; ground 短语和例子低于地面 beneath ground level2.[建筑] (建筑内铺筑的一层东西) ground; floor 短语和例子水磨石地面 terrazzo floor3.(地区) region; area; territory 短语和例子这一带属辽宁地面。 this region is w
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
