First, prepare WPS, and then press WPS welding process evaluation, PQR report form, only the welding procedure qualification requirements, WPS can be used in the products of welding.
先编制WPS，然后按WPS做焊接工艺评定，形成PQR报告，只有焊接工艺评定符合要求，WPS才能用在产品的焊接上。
In this process, regarding the evaluation of forest products logistics performance has an important significance for scientific decision-making.
在这个进程中，关于林产品物流绩效的评价，对于科学决策有重要的意义。
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