什么叫制粉电耗？
参考答案：
在制粉过程中，制出1t煤粉，制粉设备所消耗的电量。单位是kw•h／t。
To be honest, you can hardly imagine the difficulty that I had _______ the money for buying a car.
A．to raise
B．raising
C．raised
D．raise
浸润线观测测压管主要布置在坝体下游。
