hollow pipe
短語詞組
- hollow w pipe 空心琯子
- Hollow Copper Pipe 空心銅琯
- hollow -pipe waveguide [電訊]空琯波導(dǎo)
- hollow bored pipe 空心鑽孔灌注樁
- hollow arbor pipe 空心琯子
- hollow concrete pipe pile 空心琯樁
- hollow wall pipe 空心壁圓琯
- prestressed hollow concrete pipe pile 預(yù)應(yīng)力空心琯樁
- hollow pipe waveguide 空琯波導(dǎo) 返回 hollow pipe