dichlorotoluene例句
2024年06月17日 21:50:10
Purification of 2,6
dichlorotoluene by the recrystallization method without solvent was studied.
研究了用無溶劑重結(jié)晶法提純2,6二氯甲苯.
Taking p chlorotoluene as raw material , 2,4
Dichlorotoluene was synthesized via catalytic chlorination process.
以對氯甲苯為原料, 經(jīng)催化氯化制取2,4二氯甲苯.