冷却塔补充水量,应考虑蒸发损失水量、风吹损失水量和排污损失水量,一般按循环水量的()计算。
A.3%~5%
B.2%~5%
C.4%~6%
D.2%~6%
参考答案:B
Our English teacher is a _____ and strict man.
A.warm-hearted
B.warmly-hearted
C.warmly-heart
D.warm-heart
孔用通规和止规分别是按孔的最小和最大极限尺寸制造()