... 反复应力周期 cycle of stress reversal 反复应力试验机 repeated stress testing machine 反复应力试验 alternatestresstest ...
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The deformation of concrete was measured using WHY series full automatic testing machine when the maximum compressive stress was 80% of the compressive strength and repeated 5 times.
采用WHY全自动应力试验机测量了最大压应力为轴心抗压强度80%重复5次时混凝土的变形。
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