胶州八角鼓起源于清朝()年间。
A.康熙
B.乾隆
C.雍正
D.光绪
参考答案:C
Jim said that he would not mind__.
A.to drive for you
B.drive for you
C.driving for you
D.about driving for you
螺杆式压缩机启动10-30min后,排气温度和油温的正常值是()。
A.排气温度60-90℃
B.排气温度100-120℃
C.油温在40℃
D.油温在60℃