久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

“丁硫醇”的英語可以翻譯為：[有化] butyl mercaptan ...

以正庚醛 、 硫代硫酸鈉和溴代正丁烷為原料,合成了正庚醛正丁硫醇縮醛.The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials....

“丁硫醇”的拼音為：dīng liú chún...