A.四列圓錐滾子軸承B.雙排單列自定位滾子軸承C.四列圓柱滾子軸承D.兩列圓錐滾子軸承
A.四列圓柱滾子軸承B.四列圓錐滾子軸承C.雙排單列自定位滾子軸承D.兩列圓錐滾子軸承
A.布袋除塵器壓差PIDS6218>maxB.脫鹽水壓力低C.煤氣壓力低D.螺旋輸送器堵塞