原帖由 hjl 于 2009-11-1 22:08 发表
The minimun thickness in the corroded condition of shells and heads for carbon and low alloy steel vessels shall be the greater of 5 mm or (D+1000)/1000+2.5 mm, where "D" is the nominal diameter in mm.
只有两个数,何来三个数?
Try:在腐蚀条件下,碳钢和低合金钢容器的壳体与封头最小厚度应为5 mm或(D+1000)/1000+2.5 mm中的较大者,其中D为公称直径,单位mm。
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