The event is scheduled for Thursday, 10 a.m. PT at Apple headquarters.
时间定于本周四上午10时在苹果总部举行。
The magnetic type PT is the primary equipment for measuring the voltages in power system.
电磁式电压互感器是电力系统测量电压的主要装置。
The magnetic type PT is the primary equipment for measuring the voltages in power system.
电磁式电压互感器是电力系统测量电压的主要装置。
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