helical surface
短語(yǔ)詞組
- d helical profile surface 三維螺鏇齒廓曲麪
- helical curved surface 螺鏇曲麪
- Hyperslender helical -surface 超細(xì)長(zhǎng)螺鏇曲麪
- helical shaped surface plates 螺鏇形狀表麪極板
- helical -surface of the screw 螺桿加工
- mouldboard with helical surface 螺鏇型犁壁 返回 helical surface