在泵或风机中，当实际流量q与设计流量qd不等时就会产生（）损失。
参考答案：冲击
少数预后差的热淋可出现
A．疏风宣肺解表B．辛凉解表C．清暑祛湿解表D．温阳解表E．滋阴解表
—Will you go to plant trees in the mountains?
— _____! I do so every Tree-Planting Day. [ ]
A. In with a chance
B. No shouting
C. You bet
D. Nice work
