The bore and outside diameter tolerances of SKF single and double direction tapered roller thrust bearings are produced, with very few exceptions, with Normal tolerances to ISO 199-1979.是什么意思_The bore and outside diameter tolerances of SKF single and double direction tapered roller thrust bearings are produced, with very few exceptions, with Normal tolerances to ISO 199-1979.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句