After inserting a traveller into a new ring and then fitting it on the frame.Put few SLG Ring Grease on its inner flange, it will come into operation without any speed reduction.是什么意思_After inserting a traveller into a new ring and then fitting it on the frame.Put few SLG Ring Grease on its inner flange, it will come into operation without any speed reduction.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句