补偿绕组的连接方式常用的有并头套软焊、硬焊和螺栓连接3种。()
参考答案:对
The university estimates that living expenses for international students ________ around $8,450 a year,
which ________ a burden for some of them.
A.are;is
B.are;are
C.is;are
D.is;is
十八届三中全会在北京召开,这次全会的主题是()
A、全面深化改革
B、全面深化开放
C、全面改革开放
D、全面深化改革开放