The results indicate that the stress-stain curve of the honeycomb cardboard will first move up to the point of the unloading value with the secondary loading.
结果表明，二次加载时，蜂窝纸板的应力—应变曲线将首先上升到预压时的卸载点。
Unloading pressure and value of alarm parameter of emulsion pump can be adjusted by stroking keys.
乳化液泵卸载压力和报警参数值可利用按键根据实际需要来调整。
The test results indicate that the stress variation is linear, and the deformation of each measuring point can reset initial value after unloading.
测试结果显示，加载过程中应力变化均呈线性，且卸载后主要支管端部变形以及各测点应变均能够恢复初始值。
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