Compared with traditional DBB model, general contract gives new connotation and method of the design management.
对比传统的DBB模式，总承包模式给予设计管理新的内涵和方法，强调设计优选，设计的可施工性及设计沟通。
In this paper, the removal effect of 4, 4'-Dibromobiphenyl (4, 4'-DBB) and the influence factor by Fenton's reagent were studied.
应用芬顿试剂对水中的4，4’-二溴联苯（4，4’-DBB）去除效果及影响因素进行研究。
In this paper, the removal effect of 4, 4'-Dibromobiphenyl (4, 4'-DBB) and the influence factor by Fenton's reagent were studied.
应用芬顿试剂对水中的4，4’-二溴联苯（4，4’-DBB）去除效果及影响因素进行研究。
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