Yuav ua li cas cov digital multimeter AC tam sim no
Txoj kev ntsuas yog tib yam li 1, tab sis lub iav yuav tsum tau teem rau AC iav. Tom qab qhov ntsuas tam sim no tiav lawm, tus cwj mem liab yuav tsum tau muab tso rov qab rau hauv "VΩ" qhov. Zhongshang Yunxiao" tau muab pov tseg.
