A.26~32%B.27~33%C.28~32%D.29~33%
A.刀輥轉(zhuǎn)速過低B.側(cè)刀門磨損C.下刀門間隙小D.刀片不進(jìn)給
A.上銅排鏈前輥輪軸承損壞B.下銅排鏈中間傳動(dòng)軸軸承損壞C.上銅排鏈磨損D.上銅排鏈鏈輪磨損