矿用钢管陶粒混凝土支架研制--CL30陶粒混凝土强度试验研究
광용강관도립혼응토지가연제--CL30도립혼응토강도시험연구
On the Development of Ceramsite-concrete Bracket for Mining Steel Tubes: An Experiment in the Intensity of CL30 Ceramsite Concrete
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