It was found that the effect of the various compositions of catalyst with CO/PR3 was held true, and agreeable accelerant was of great advantage to synthesize. The yield of 1,3-propanediol by One-step was better than that by two-step.是什么意思_It was found that the effect of the various compositions of catalyst with CO/PR3 was held true, and agreeable accelerant was of great advantage to synthesize. The yield of 1,3-propanediol by One-step was better than that by two-step.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句