用電負荷是指客戶的用電設備在某一時刻實際取用的功率總和，是客戶在某一時刻對電力系統所要求的功率。
1、正確正確
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WhichofthefollowingwordsdoesNOThavesuffixes?
Attheageofeighty-seven,()readhispoetryattheinaugurationofPresidentJohnin1961.
Childrenhaveanatural________abouttheworldaroundthem.
Theconclusionfromthestudyisnotdefinite;itisjust________.
Helost________________parentswhenhewasachild.
