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关注:1
2013-05-23 12:21
求翻译:Pipe Threads Where Pressure-tight Joints are not Made on the Threads, Part 1: Dimensions, Tolerances and Designation是什么意思?![]() ![]() Pipe Threads Where Pressure-tight Joints are not Made on the Threads, Part 1: Dimensions, Tolerances and Designation
问题补充: |
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