It makes comparative analysis about parts of GB150 welding connection classified standard and international standard. It also makes improvable Suggestions of pressure containers' testing criterion.
对GB150的部分焊接接头分类标准与国际标准进行了对比分析，提出了压力容器检验标准的改进建议。
2
Finally in brief the causes are stated of the occurrence of system error in measuring a measured value which is different from the standard capacitance by comparative method.
最后简要指出用比较法测量一个量值与标准电容相差较大的电容时，产生系统误差的原因。
3
The standard of departure is to require the departure make comparative endeavors to eliminate the cause power which generated by his previous behavior in the complicity relation.