helical surface

短语词组

短語

• d helical profile surface 三維螺鏇齒廓曲麪
• helical curved surface 螺鏇曲麪
• Hyperslender helical -surface 超細長螺鏇曲麪
• helical shaped surface plates 螺鏇形狀表麪極板
• helical -surface of the screw 螺杆加工
• mouldboard with helical surface 螺鏇型犁壁
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