-- Our factory mainly produces various kinds of deep groove ball bearings, tapered roller bearings, angular contact ball bearing thrust bearing, four series 200 in variety.是什么意思_-- Our factory mainly produces various kinds of deep groove ball bearings, tapered roller bearings, angular contact ball bearing thrust bearing, four series 200 in variety.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句