The value engineering methods are used in the remoulding of Huludao General Chemical Plant saltern crane after researches, analysis and demonstrations.
本文利用价值工程方法，通过调研、分析、论证，对葫芦岛化工总厂的盐场吊车进行了改造。
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The method can be used for curing the industrial waste gypsums, such as phosphogypsum, desulfurization gypsum, yellow gypsum, saltern gypsum and salt gypsum and the like.