简答锅炉常用的测量仪表有哪些？
参考答案：
锅炉常用的测量仪表有测量水位、流量、压力、温度、烟气含氧量等物理量的表计。
13．About 90 percent of the equipment presented by the administration，as well as the facilities of our own， ______made good use of in teaching．
A．have
B．has
C．have been
D．has been
急性肾小球肾炎肉眼变化主要呈现（）
A.大白肾
B.蚤咬肾和大红肾
C.多发性小脓肿
D.固缩肾
