No.1 standard oil for rubber test was formulated by lube base oil from a deep-refining paraffinic crude blended with vacuum side streams.是什么意思_No.1 standard oil for rubber test was formulated by lube base oil from a deep-refining paraffinic crude blended with vacuum side streams.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句