在正弦交流电路中，电路的功率因数取决于
B
暂无解析
Turnoverrate
Whileonlyabout300workersreceivedisablementbenefitforindustrialdermatitiseveryyear,theremaybebetween15,000and60,000newcasesofthisconditioneveryyear.
Whichoneisnotthefunctionsofthenonverbalcommunication;（）
InItaly,whenpeopletouchtheireyes,itrepresents:
Sitbackandreflecton______itisthatyoudobestandwhatyouenjoy.