Artificial lights block formation of molecules that bond with air pollutants to clear the air.
人工照明系统阻碍了空气污染物与水分子的结合，起到了净化空气的作用。
After discussing the security design about three factor, we analyze and implement the security in the Bond Block Trade System.
通过这三方面的安全设计，将证券大宗交易系统的安全统筹分析并实现。
The selection of priming paint, glue bond, block material and surface paintbased on the nature of the corrosive medium is discussed.
同时还介绍了根据腐蚀介质、温度选择底漆、胶合剂、面漆等的搭配原则。
The method adopts the stone with low price to replace the ceramic bond wheel block, so as to greatly reduce the cost;
该方法采用价格低廉的石块代替陶瓷砂轮块，大 幅度降低了成本；
The method adopts the stone with low price to replace the ceramic bond wheel block, so as to greatly reduce the cost;
该方法采用价格低廉的石块代替陶瓷砂轮块，大 幅度降低了成本；
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