AFM Study on the Mortar Ratio
wang an-cheng1; zhang feng2; cao ming-li3(1.chengdu subway project branch; china railway no.9 group co.; ltd.; chengdu; sichuan; 610041; china; 2.yantai construction design and research co.; ltd.; shandong gold group; yantai; shandong; 264006; china; 3.civil engineering and water conservancy college; dalian university of science and technology; dalian; liaoning; 116023; china)
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