您要查找的是不是：
- 焊welding
- 焊剂welding fluid
- 包起来wrap up
- 虚焊cold solder joint
- 包被peridium
- 焊渣welding slag
- 包角cornerite
- 焊盘bonding pad
- 拆包unpack
- 氩弧焊argon-arc welding
- 包封envelopment
- 焊管welded pipe
- 叉烧包steamed, grilled meat bun
- 汽包steam manifold
- 钎焊braze welding
- 肉包pork bun
- 埋弧焊hidden arc welding
- 包茎phimosis
- 助焊剂scaling powder
- 豆沙包smashed bean bun
