题目内容
三相不对称负载星形联接，接于对称的三相四线制电源上，则各相负载的电压()。
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三相负载三角形联结时，三相负载上的三个相电压（）
Read the sentence pairs. Choose which word or phrase best fits each blank.1. file cabinet / white boardA. Update the records, then put them in the___________.B. Start the meeting by writing your name the__________
stapler / dry eraserA. She used the _________________ to clear the whiteboard.B. The papers fell apart. My ________must be broken.
Use the conversation from Task 8 to complete the packing slip.Original order:1)________________Units shipped: 2)_______________Number of missing units: 3)_______Please accept our apology for our error on your last order. Thank you for your patience.Sincerely,4)___________________,President, Mega-Office Supply
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