工硕英语，老马们帮帮忙啊。
According to your own research direction, design your master work and write abstract, necessary theoretical hypothesis and proposal are encouraged to give simultaneously.各位老马，有没有什么资料，让我写写，写不出来了。{:1106_361:}
马后炮，化工中的加农（cannon），化工一家人，马友齐交流
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