best fit

According to the first check project and result of wax - oil hydrogenation reactor, comprehensive safety evaluation notion of the reactor was achieved.

通过对利旧腊油加氢反应器首次检验中检验项目与检验结果的分析,给出了该反应器安全性能的综合评价意见。

The order of ratio(d_t/d_1) in table for maximum of highness-diameter (h_1/d_1) in first drawing process is revised.

对宽凸缘工件首次拉深最大相对高度表中(dt/d1)的排序作了修正,并对最大相对高度(h1/d1)和极限拉深系数m1这两种极限变形程度的实验数据的相容性进行了推算与验证。