Once the water distributor on the bottom of UASB is often blocked, when operating in practice, the uniformity of water distribution is destroyed.
厌氧反应器uasb在实际运行中，其底部的布水器经常出现堵塞，从而造成了配水的不均匀。
This article is an account of the teaching methods of Marketing, allowing contents pattern blocked, making information dynamic, cases' leading and imitation practice.
论述了《市场营销学》的一些教学方法：内容模块化，信息动态化，案例引导法及模拟实践法。
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