须板
须板-
为制定合理的控制策略，须对实测板形进行模式识别，并以约定的参数定量地提供给下一控制环节。
The real shape must be recognized to establish rational control strategy and the recognition results must be quantificationally provided to the next control link with promissory parameters .
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则对管件的展开尺寸和形状会产生一定的影响，此时须采取相应的板厚处理。
There are some important factors closely related to the thickness processing including thickness , shape , connective form and welding slope .