( )对离心机制冷量影响最大。
A．蒸发温度 B．冷凝温度C．离心机转数 D．冷却温度
参考答案：C
It is reported that many a new house _____ at present in the disaster area. [ ]
A. are being built
B. were being built
C. was being built
D. is being built
漂白的其他全棉机织缎布
