当循环水总管压力太低时可以通过()来提高。
A.开大循环水泵倒淋阀
B.开大循环水泵出口阀
C.增开冷水泵
D.开大补充水
参考答案:B, C
To me, this all just seems to _______ and I think it’s reasonable.
A.make sense
B.lift up
C.take in
D.slow down
茂菲小壶液面过高或过低应如何处理