A.旋轉(zhuǎn)失速 B.轉(zhuǎn)子不平衡 C.軸彎曲軸承損壞或軸瓦磨損
A.結(jié)構(gòu)簡(jiǎn)單 B.密封嚴(yán)實(shí) C.操作方便 D.維護(hù)方便
A.0~5mm B.5~15mm C.15~20mm D.25~30mm