动态描述区（DynamicDescriptionArea） //在动态SQL语句的第四种语法格式中，PB使用此类型的变量存储有关的输入和输入出的参数的信息。
基于36个网页-相关网页
以通用曲柄压力机的曲轴作为分析研究对象，应用可靠性理论对其静态、动态可靠性做了分析描述，从疲劳强度的观点给出了曲轴的安全工作区。
In this paper, the reliability of cranks was analyzed with static, dynamic reliability theories separately. It was derived that there was a safety working time for cranks in point of fatigue strength.
youdao
应用推荐
模块上移
模块下移
不移动