hollow pipe
短語詞組
- hollow w pipe 空心管子
- Hollow Copper Pipe 空心銅管
- hollow -pipe waveguide [電訊]空管波導
- hollow bored pipe 空心鉆孔灌注樁
- hollow arbor pipe 空心管子
- hollow concrete pipe pile 空心管樁
- hollow wall pipe 空心壁圓管
- prestressed hollow concrete pipe pile 預應力空心管樁
- hollow pipe waveguide 空管波導 返回 hollow pipe