为此，就地下主厂房系统结构特点、混凝土施工程序、施工方法进行介绍。
For this reason, this paper describes the structure features of main underground powerhouse, concrete construction program and construction method.
文章介绍了大连引碧渡槽施工中应用苯板保温的施工方法、施工程序。
The paper introduces the construction method and procedure of heat insulating by benzene slab in the aqueduct construction of Dalian diversion water from Biliuhe reservoir.
研究开挖、支护施工方案、程序、方法和控制措施；
We studied solutions, procedures, methods and control measures for excavation and protective support;
研究开挖、支护施工方案、程序、方法和控制措施；
We studied solutions, procedures, methods and control measures for excavation and protective support;
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