The method of the liming liquors recycling for yak hide was studied to reduce the effluent of liming liquors and the dosages of chemical materials.
对牦牛皮浸灰废液的循环利用进行了研究，其目的是减少浸灰废液排放量，提高化工原料利用率。
Several other materials can be used for liming purposes, such as, baked or burned oyster shells, marl, basic slag, wood ashes, and cement industry by-products.
其它几种物质也可用来施用石灰，如？壳灰、灰、渣磷肥(性炉渣)草木灰和工业水泥的副产品等。
Several other materials can be used for liming purposes, such as, baked or burned oyster shells, marl, basic slag, wood ashes, and cement industry by-products.
其它几种物质也可用来施用石灰，如？壳灰、灰、渣磷肥(性炉渣)草木灰和工业水泥的副产品等。
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