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The fracture during ER70S-6 wire rod drawing of gas shield welding wire steel is analysed.
对ER70S - 6气保焊丝钢在拉拔过程中的断裂问题进行分析。
youdao
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The fracture during ER70S-6 wire rod drawing of gas shield welding wire steel is analysed.
对ER70S - 6气保焊丝钢在拉拔过程中的断裂问题进行分析。
youdao