自评必须对人员、设备设施进行100%检查考评。
参考答案:对
________in 1980, the company’s base is in Qingdao, but it has branches throughout the country.[ ]
A. Being founded
B. Having founded
C. Founding
D. Founded
使用声测法定点时,故障相的绝缘电阻值应不小于()。
A.10Ω;
B.100Ω;
C.200Ω;
D.1000Ω。