采用自动加卸试验力方法，保荷时间稳定，消除了人为操作误差，示值精度高。
The adoption adds to unload automatically to experiment the dint method, protecting time of stable, dissolves artificial operation error margin, show the worth accuracy high.
采用自动加卸试验力方法，保荷时间稳定，消除了人为操作误差，示值精度高。
The adoption adds to unload automatically to experiment the dint method, protecting time of stable, dissolves artificial operation error margin, show the worth accuracy high.
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