hydrogen-welding
短语词组
- atomic -hydrogen arc welding 原子氢焊
- hydrogen -oxygen flame welding 氢氧焰焊
- atomic hydrogen -welding electrode 原子氢焊电极
- air -hydrogen welding 空气;氢焊接
- oxy -hydrogen welding 氢氧焊接;氢氧焊;氢氧焰焊接;氢氧熔接
- OHWoxy -hydrogen welding 氢氧焊
- low -hydrogen welding electrode 低氢型电焊条 返回 hydrogen-welding