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将国产焊丝 Ｓ Ｑ Ｊ５０１ 与两种进口焊丝进行了综合对比， 通过一系性能试验表明 Ｓ Ｑ Ｊ５０１ 的综合性能已接近进口焊丝水平， 个别性能指标已达到或超过进口焊丝， 其性能完全能满足我国造船工业的需要。
The domestic welding wire S Q J501 is compared with two kinds of imported welding wire. Through a series of performance tests, it shows that the comprehensive performance of S Q J501 is close to that of imported welding wire. Some performance indexes have reached or exceeded the imported welding wire. Shipbuilding industry needs.