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钢铁核心线，我们知道，进行电流从电极持有人的工作。
The steel core wire, as we know, conducts electrical current from the electrode holder to the work.
这种做法较为普遍，低氢焊条，因为融化的核心线内的通量涂层。
This practice is much more common with low hydrogen electrodes, since the core wire melts up inside the flux coating.
我们建议车间与办公部分之间的抗震缝位置按办公核心线设置，协和坚持不做调剂。
We suggest seismic seam should be adjusted according to the office area's peripheral line, but HYUP HWA insists do as before.
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