screw rotors的用法和樣例：
例句
- The design method for hobs used to machine helical lobe compressor rotors with sharp point profile is put forward.
提出了具有尖點(diǎn)廓形的螺桿壓縮機轉子滾刀的設計方法，以解決小型螺桿轉子的滾削加工問(wèn)題。 - This method bears preferable practicality for track coordinates calculation of moulding milling cutters used for machining the screw rotor in the screw pump.
該方法對加工螺桿泵中螺桿轉子的成型銑刀軌跡坐標計算具有較好的實(shí)用性。
