短語詞組短語bearing force mechanism 承力搆件eccentric bearing link mechanism 偏心軸承連桿傳動機搆bearing capacity mechanism 受力機理ball bearing mechanism 滾珠機搆shear bearing mechanism 抗剪機理load -bearing mechanism 受力機理force bearing mechanism 受力機理load bearing mechanism 承載機理mechanism of bearing 承載機理 返回 bearing mechanism