题目内容
常见的施工工艺一般过程有5个阶段，它们是：①施工准备；②墩顶湿接头浇筑；③主梁预制安装；④二次预应力体系的建立；⑤体系转换，其合理的施工顺序为（）
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You created a tabular report for the sales department to display each customer and the sales person assign to the customer. The data is sorted by customer using the order by clause in this query. This is department manager asks you to alter the report so that data is sorted by sales person rather than by customer. What is the best way to make the needed change?（）
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