designation of steel grades 指定的钢种 ; 指定钢种
Steel product standard designation is composed of standard designations denoting sort and characteristic.
钢铁产品的标记代号由表示类别和特征两部分的标记代号组成。
The gusset plate calculation of boiler steel structure is very important during the designation.
锅炉钢结构连接计算是设计中非常重要的一个阶段。
The tag shall show the manufacturer's test number and lot number or other designation that will identify the lot of steel.
标签上标明制造商试验号及批号，或者其它识别该批钢筋的证明。
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