实践表明,“钛纳米聚合物防腐蚀涂层油管”和“镀钨合金防腐蚀油管”在上述环境使用较为适合;
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Practice on Deep Foundation Pit Construction Adjacent to Protective Structure
在保护性建筑附近进行深基坑施工的实践
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Discuss on Protective Effects of Insufflations of Grotto Concrete Layer and its Practice
关于地下洞室喷混凝土支护效果的实践与探讨
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金属衬底上非传导保护涂料的间断性(假期)检验标准实施规程
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research and practice of dry land mechanized protective farming method of two-year-three-crop system
二年三作旱地机械化保护性耕作的研究与实践
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practice of protective seam extraction of steep, short-interval and complicated seams
急倾斜近距离复杂煤层保护层开采的实践
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