在多次试验和分析的基础上，研制了一种可用于现场测试的工程结构材料疲劳载荷谱实时测定系统。

Based on the many times tests and analyses, a real time system about spot testing fatigue load spectrum of engineering structure materials was studied and developed.

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采用偏心轮和弹簧结构，研制了口腔修复体疲劳寿命测试机。

Using eccentric wheel and spring, an instrument was developed in this study.

youdao

采用偏心轮和弹簧结构，研制了口腔修复体疲劳寿命测试机。

Using eccentric wheel and spring, an instrument was developed in this study.

youdao