-
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。
youdao
-
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。
youdao