求翻译：锥头封板:采用Q235B钢,钢管直径大于等于75时须采用锥头,连接焊缝以及锥头的任何截面应与连接的钢管等强,厚度应保证强度和变形的要求,并有试验报告。是什么意思？

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GEM: introduction and closure phase Q B steel, steel pipe diameter of more than 235 equals 75 when Welds shall be in the capital as well as cone head first to connect any cross-sectional should connect with the steel pipe thickness shall be such as to ensure strength and deformation of the test repo

Cone headed closing board: Uses the Q235B steel, the steel pipe diameter is bigger than was equal to 75 o'clock must use the cone headed, connects the welded joint as well as cone headed any section should and so on be strong with the connection steel pipe, thickness should guarantee the intensity a

Cone-plate: Q235B steel, pipe diameter greater than or equal to 75 o'clock shall be in the head, weld and cone connection such as connection of steel pipe, any section of the header should be strong, thickness should ensure the strength and deformation of requirements, and test reports.

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