�?1)壁厚Cmin为任一点壁厚的*小值�?)异径管件中小口径部分中心至承插孔底的距离A与大口径部分为A相同�?）按顺序要求，管件也可以加工承插焊和螺纹混合的联接形式、�/p>

Note:1)Wall thickness Cmin to a minimum wall thickness.2)Reducing pipe fittings of small diameter part of the center distance to the bottom bearing insert A part with large diameter is the same A.3)According to the requirements of the order,pipe fittings can also be processed into socket welding and threaded connection form of hybrid.