screw vane的用法和樣例：
例句
- A new calculation of the whole manufacture of the screw blade blanks and a new rotating die set were proposed.
提出了一種新的螺旋葉片坯料的整體下料計算法和一種新的可旋轉模具。 - The helical vane is analyzed.The helical vanes are welded together and added the external force to be cold-drawing formation.
對螺旋葉片進(jìn)行了分析，把螺旋葉片焊接組合起來(lái)，旋加外力，冷拉成型。
