砌筑时，应根据墙体类别和部位选砖。

Select bricks according the wall category and part.

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如果你从下拉框中选择一个或更多的类，只有属于已选类别的测试，将出现在列表中并在此运行。

If you select one or more categories from that dropdown, only tests that belong to selected categories will appear on the list and will be run.

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一种商品类别不必有一样商品归属于它中（选的）但所有的商品都必须分门别类。

Product Category need not have products assigned to it, but all products must be assigned to a Product Category.

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