A.心盤磨耗盤 B.心盤墊板 C.13A型車鉤 D.13型車鉤
A.雙作用常接觸彈性旁承 B.間隙旁承 C.13A型車鉤 D.13型車鉤
A.轉(zhuǎn)K5 B.轉(zhuǎn)K6 C.轉(zhuǎn)K4 D.K1