1. 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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2. 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.
该方法可以用于磷石膏、脱硫石膏、黄石膏、盐田石膏和盐石膏等化工废石膏的固化。
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3. 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.
