A.160N?mB.170N?mC.180N?mD.200N?m
A.一系垂向止檔B.牽引拉桿橡膠關(guān)節(jié)C.空簧D.一系轉(zhuǎn)臂橡膠關(guān)節(jié)
A.1800±90B.1900±90C.2000±90D.2100±90