The_____ and _____ should be strictly controlled. To keep the skin____and the meat____, kao ya should be taken out of the oven after 50 minutes.
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根据视频内容,判断句子正误。Roast duck has history of 2100 years.
A. 对
B. 错
Hot Pot has a history of more than 1,700 years in China.
A. 对
B. 错
Noodleshas a history of more than 1900 years in China.
A. 对
B. 错
进行电路装配时,三相电源的L1、L2、L3三相分别用( )色、( )色、( )色电缆。