Weld thermal cycle simulation was used to reproduce the structure in the HAZ of single run and multi-layer welding.
采用焊接热模拟再现了单道焊和多层焊haz的组织。
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。
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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