1、 Experimental study on multiaxial characteristic of air - entraining concrete - thaw cycling is just in the initial stages.
冻融条件下引气混凝土的多轴力学性能研究,目前尚处于初步阶段.
来源:互联网
2、 At the same time, the concrete nonlinear constitutive relation and multiaxial.
同时, 引人了混凝土非线性本构关系和多轴强度准则.
来源:互联网
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