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Improving measures are put forward through cause analysis on unqualified DWTT of L360MB pipeline steel.
分析管线钢l 360 MB落锤不合格的原因，提出生产改进措施。
youdao
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Improving measures are put forward through cause analysis on unqualified DWTT of L360MB pipeline steel.
分析管线钢l 360 MB落锤不合格的原因，提出生产改进措施。
youdao