Each addition to the development case should be balanced with the expected benefits in terms of time saving, quality gain, or providing a basis for project estimation, planning, and scope management.
The problems of the peculiarities of arc welding and the estimationof weld quality are discussed.
主要考虑了弧焊特性的提取以及焊接质量的估计。
3
The influences of different sulfonated lignite as compatible material on qualityestimationof sulfomethyl phenol formaldehyde resin(SMP) were analyzed by experiments.