Before loading the work item information, we need to load the parent work item.
在载入工作项信息之前，我们需要载入上级工作项。
The internal force produced in live load is calculated by manual loading method.
活载产生的内力采用手工加载的方法计算。
The concepts of load, unit load and loading factor are introduced.
介绍机械密封常用的密封面载荷、比载荷和载荷系数。
The concepts of load, unit load and loading factor are introduced.
介绍机械密封常用的密封面载荷、比载荷和载荷系数。
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