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关注:1
2013-05-23 12:21
求翻译:The pressure rise time of the wave front got longer with length down the bag, changing by a factor of about 7 in a two metre length是什么意思?![]() ![]() The pressure rise time of the wave front got longer with length down the bag, changing by a factor of about 7 in a two metre length
问题补充: |
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