题目内容

烟囱的有效源高度包括烟囱的几何高度和。

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提高烟气抬升高度的方法有：增大烟气出口速度，，集合烟囱排气等。

烟囱的最低高度应满足各行业大气污染物排放标准的要求，应高出周围m半径范围内建筑3m以上，特殊情况需5m以上。

Exercise：Complete the sentences with the words from the box.breakthrough dropout comebackthrowback drawback1.The company is now using innovative financing strategies to achieve ________ of its business the newly launched mobile chatting app is convenient and fast.2.She’s trying to make a_ with her first album for 20 years.3.He was a high-school_ but was eagerforknowledge.4.Perhaps the biggestof onlinesocial networking is that it makes identity theft easier.5.Her whole outfit was a ______ to the 1970s

unconventionalaside fromdependentoriginateacknowledge