The paper, based on the principle of material balance, illustrates the relationship between indexes of water supply and drainage in environmental statistical trial report forms, which is set by.
前言： 本文应用物料平衡的原理，阐明国家环境保护局制定的“八·五”环境试报点表中有关用水、排水指标之间的关系。
The paper, based on the principle of material balance, illustrates the relationship between indexes of water supply and drainage in environmental statistical trial report forms, which is set by.
前言： 本文应用物料平衡的原理，阐明国家环境保护局制定的“八·五”环境试报点表中有关用水、排水指标之间的关系。
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