维修企业的关键设备的完好率应在95%以上。()
参考答案:对
The program()(发起) by the Ministry of Education and the Chinese Communist Youth League.
A.I有=3/2A,Im=3A
B.I有=3A,I有=3A
C.I有= A,I有 A
D.I有3A,Im=6A