Fortunately for the Chinese government, these inane sentimentalists neither make policy, nor, beyond the occasional tiresome protest, have much to do with China., 不过除了有时发发牢骚，这些空虚敏感的人既没有制定政策，也不能对中国做什么， ...

The cooling process of plastics pipe extrusion was analyzed and modeled based on heat transfer theory ., ...