研究了YJ657碱性药芯焊丝药芯粉的成分配比对焊接工艺性能的影响。
The percentages of the flux composition in YJ657 basic flux cored wire which affected the welding technology of basic flux cored wires had been studied.
研究了用于T91钢管打底焊的碱性渣系药芯焊丝。
Basic flux-cored wire for backing weld to T91 tube was studied in this paper.
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