题目内容
三相负载的三角形连接时，不论负载是否对称，各相负载所承受的电压均为（）的电源电压。
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Accounting is More Than Numbers Accounting could date back to about 7,000 years ago. People of that time relied on old accounting methods to record the growth of crops and herds. Accounting has greatly developed with the growth of joints tock companies . When you think of accounting， you may find pages of tables and numbers. That image doesn’t usually give you too much excitement. When you have your ownbusiness， though， those numbers come to mean the world to you because they give you the record of how much money you’ve earned or lost. Actually， accounting is not simply about strange dollar amounts or boring numbers； they’re your sales figures， your costs， and your profits. In other words， accounting is alanguage of business. Once you know how to work with those numbers， how to read those numbers and how to read the story they tell， you will be able to manage your business toward greater success. Accounting has greatly changed with the development of（）.
煤矿职工的职业道德规范是什么？
管坯端头温度低是什么原因？
色灯信号机的灯光显示为禁止信号的为（）。
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