bias box 中文意思是什麼
bias box
解釋
偏壓器-
There are two methods for welding radial stiffeners to bias - rail box girder : welded all around and open at tensile flange
摘要起重機偏軌箱形梁橫向加強板有加強板四周均焊和在受拉翼緣處空開2種焊接方式。
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