A.229 B.339 C.345 D.350
A.流管卡鎖 B.彈簧卡鎖 C.限流環(huán)承座卡 D.鎖緊螺母
A.50 lbf·ft B.60 lbf·ft C.70 lbf·ft D.80 lbf·ft