怎样判别汽蚀现象？
参考答案：
泵内出现激烈响声；出口压力不稳、严重时打不上量；泵体振动；介质温度升高。
______ he works hard, I don’t mind when he finishes the experiment．
A．As long as
B．As well as
C．So far as
D．As soon as
洋葱粉
