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湖北枣阳化学工业总公司在完善化肥生产工艺条件的前提下，又开发了甲醇、甲醛等数个精细化工生产项目和品种，使生产规模逐渐扩大发展起来。在甲醛项目立项安装投运以后，较长一段时间，向甲醛生产系统送加空气的萝茨鼓风机响声特别大，竟传到二三公里以外，噪声达到了１１０
On the premise of perfecting the conditions of fertilizer production, Hubei Zaoyang Chemical Industry Corporation has developed several fine chemical production projects and varieties such as methanol and formaldehyde, so as to gradually expand the scale of production and development. After the project of formaldehyde was put into operation and put into operation, for a long period of time, the Rotzer Blower, which added air to the formaldehyde production system, had a particularly loud noise, reaching beyond two or three kilometers and the noise reached 110