常見例句雙語例句PVC/wood-flour composites were prepared by two-roller mill, single-screw extruder and twin-screw extruder and effect of process methods on properties of PVC/wood-flour composites were studied.采用開煉機(jī)、單螺桿和雙螺桿擠出機(jī)等加工設(shè)備，系統(tǒng)研究了加工過程、混煉工藝等因素對(duì)PVC/木粉復(fù)合體系的性能和結(jié)構(gòu)的影響。 返回 roller flour mill