调节中部温度可用()
A、中段回流量
B、三通合流阀调节返塔温度
C、中段回流量和三能合流阀调节返塔温度
参考答案:C
给句子重新排序,组成一段通顺的话。(提示已给出)
A. Tomorrow is Christmas.
B. We put up our Christmas tree.
C. It will be fun to talk to Santa in the store. He always says: Ho! Ho! Ho!
D. It's December twenty-fourth.
E. Li Ming and I are going to the department store this afternoon.
F. Yesterday we put Christmas lights on our house.
正确的顺序是: ________ ________ F ________ ________ ________
襟翼传动组件的作用是()
A.将液压能转换成机械能
B.将扭力管的转动转换成直线传动
C.将液压马达的直线运动转换成转动
D.将电能转换成机械能