短語詞組短語single -direction bearing 單向軸承direction bearing capacity 堅向承載力all direction bearing 萬向支座one direction thrust bearing 單向止推軸承;單向推力軸承;線型檢光組件e direction thrust bearing 單向止推軸承direction thrust bearing 雙向推力軸承direction finding bearing 測向方位double direction thrust bearing 雙向推力軸承 返回 bearing direction