dichlorotoluene例句
Purification of 2,6
dichlorotoluene by the recrystallization method without solvent was studied.
研究了用无溶剂重结晶法提纯2,6二氯甲苯.
Taking p chlorotoluene as raw material , 2,4
Dichlorotoluene was synthesized via catalytic chlorination process.
以对氯甲苯为原料, 经催化氯化制取2,4二氯甲苯.