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英汉例句

\ 氯甲苯的例句（氯甲苯在句子中的用法）

氯甲苯的例句（氯甲苯在句子中的用法）

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.
GC analytical method for o - chlorotoluene in the workplace air using sampling by charcoal tube was studied. 研究炭管采集空气中邻 - 氯甲苯的气相色谱分析方法.

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