The reasons of understanding unclear to unsafe hidden danger in one's enterprise are pointed out and method and step doing hidden danger evaluation well are put forward.
指出了本企业对不安全隐患认识不清的原因，提出了做好隐患评估的方法与步骤。
It also analyzes the advantages and disadvantages of doing away with the remaining strain by way of VSR. The quality problem of the method is put forward.
此外对振动时效处理消除残余应力的利弊进行了分析，提出了亟待解决的振动时效处理消除残余应力的质量问题。
The thesis consists of four sections. Section 1: Introduction of how "learning by doing" is put forward.
全文共分四个部分：第一部分：介绍了做中学的的提出；
The thesis consists of four sections. Section 1: Introduction of how "learning by doing" is put forward.
全文共分四个部分：第一部分：介绍了做中学的的提出；
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