A.降低篩粉 B.降低料溫 C.提高強(qiáng)度 D.提高轉(zhuǎn)鼓指數(shù)
A.3mm B.5mm C.8mm D.2mm
A.1:0.5 B.1:0.2 C.1:1.2 D.1:2.5