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关注:1
2013-05-23 12:21
求翻译:Clay blocks (outer web not less than 13mm thick) of 2 cells not less than 50 per cent solid finished with 13mm gypsum plaster on each side是什么意思?![]() ![]() Clay blocks (outer web not less than 13mm thick) of 2 cells not less than 50 per cent solid finished with 13mm gypsum plaster on each side
问题补充: |
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