您要查找的是不是：
- 单面V形角焊接single V corner joint
- 单面V形对焊接single V butt joint
- 半开角焊接half-opened corner joint
- 针角焊接stitch welding
- 用刀在木头上刻V形凹痕notch wood with a knife
- 填角焊接fillet weld
- 成形shaped
- 半角DBC case
- V形管V-shape tube
- 左上角top left corner
- 形的aitch
- 开角焊接hollow joint
- V形支撑V - brace
- 六角sexangular
- 右下角lower right corner
- 八边形octagon
- 全角SBC case
- 八角形octagon
- V形齿圈V-ring indenter
- 内六角扳手inner hexagon spanner
