当用电设备的绝缘老化时,电网将产生()。
A.短路
B.失压
C.过载
D.逆功率
参考答案:A
目标设置理论认为具体的目标会提高工作成绩。()
According to INCOTERMS 2010, which of the following terms requires the seller to pay for the insurance( )
A.CFR
B.CPT
C.FOB
D.CIP