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关注:1
2013-05-23 12:21
求翻译:evidently at the time of at casting , it was observed that thick and deep concrete was being compacted abd also vibration was not properly done是什么意思?![]() ![]() evidently at the time of at casting , it was observed that thick and deep concrete was being compacted abd also vibration was not properly done
问题补充: |
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