短語詞組短語half shell bearing 軸承sleeve half -bearing 半套筒軸承half shaft bearing seat 半軸軸承座upper half -bearing 上半軸瓦half journal bearing 半軸頸軸承bottom half -bearing 下半軸承half -bearing bush 半軸承襯套top half -bearing 上半軸承half pressure bearing 半承壓 返回 half bearing