常见例句Mast guide bearings roller b- eearings and chain wheel bearings used for korklift mast needle bearings for printing machine double fullload cylindrical bearings 導軌軸承、叉車門架專用滾輪、鏈輪軸承、印刷機械專用滾論滾針軸承、雙列滿裝圓柱滾子滾輪軸承、廻轉支承 返回 fullload