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关注:1
2013-05-23 12:21
求翻译:The storage bins shall be emptied and cleaned , the grading of the aggregates checked at intervals, and subject to the approval by the Engineer.是什么意思?![]() ![]() The storage bins shall be emptied and cleaned , the grading of the aggregates checked at intervals, and subject to the approval by the Engineer.
问题补充: |
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