Such weld outlet fittings are attached to the run by welding similar to that shown in Fig. 127.4.8(E).

这种焊接出口管配件按类似于图127.4.8（E）的形式焊接在主管上。

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Research is carried out on weld groove machining technology of cylindrical duct outlet for barrel compressor, the effective method of solving the problem is put forward.

对筒型压缩机的圆柱形出风管焊接坡口加工工艺进行了探讨，提出了解决该问题的有效方法。

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