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关注:1
2013-05-23 12:21
求翻译:connection of fuel valves with expanding flame burners with 2-stage burners , bv2 is connected in place of bv3是什么意思?![]() ![]() connection of fuel valves with expanding flame burners with 2-stage burners , bv2 is connected in place of bv3
问题补充: |
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