A.鈉基潤滑脂 B.通用鋰基潤滑脂 C.復合鋁基潤滑脂 D.鈣鈉基潤滑脂
A.108 B.216 C.144 D.不能計算
A.30°~45°B.90°~105°C.120°~135°D.165°~180°