dished head 中文意思是什麼
dished head
解釋
碟形底-
Am218. 1 ( d ), 原文 為 : the governing thickness of a nonwelded dished head is the greater of the flat flange thickness divided by 4 or the minimum thickness of the dished portion
2004及以前版譯為:非焊接碟形封頭的控制厚度為較大的平法蘭厚度除以4或碟形封頭部分的最小厚度。
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