With Russia in charge of the industry sector and relevant agencies to build good relations to ensure that products are in the process of export-related Drainage Road safety and smoothness.
与俄行业主管部门及相关机构建立良好的关系以保证产品出口过程中的相关渠道安全畅通。
To evaluate the properties of alum and PAC used as AIDS of sizing, drainage and retention, it is necessary to study the charge characteristic of the stock added alum and PAC.
添加硫酸铝和聚合氯化铝的纸浆的电荷特征，是决定铝化物发挥功效的重要因素。
In control environment pollution, western countries mainly take polluter burden, drainage pollution charge and control pollution's preferential policy.
在环境污染治理方面，西方国家主要实行污染者负担政策、排污收费政策、治理污染优惠政策等，取得了一定的成效。
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