浮充电运行的铅酸蓄电池单只电池的电压应保持在()。
A.2.00±0.05V;
B.2.05±0.05V;
C.2.10±0.05V;
D.2.15±0.05V。
参考答案:D
At the foot of the mountain ______.
A.a village lie
B.lies a village
C.does a village lie
D.lying a village
鱼类鲜度的化学测定方法有几种()。