machine barrel造句

例句与造句

1. No . of heating section of machine barrel
   机筒加热段数
2. Heating power of machine barrel
   机筒加热功率
3. Machine barrel and screw arbor of extrusion machine both adopt quality alloy steel , with nitriding and fine machining
   挤出机的机筒螺杆均采用优质合金钢，经氮化和精密加工。
4. It's difficult to find machine barrel in a sentence. 用machine barrel造句挺难的