工硕英语，老马们帮帮忙啊。

默风年华

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:}

duoduo19881201

马后炮，化工中的加农（cannon），化工一家人，马友齐交流