【判断题】发光二极管的导通压降与发光二极管的颜色无关
【判断题】发光二极管的导通压降与发光管的颜色无关。
【单选题】What is the guest's name?
【单选题】What is the guest's room number?
【简答题】GNSS (全球卫星导航系统)有四大成员,分别是哪些?
【单选题】What is the guest's room number
【简答题】What
is the guest's room number?A. Rm.
1181. B. Rm.
1118. C. Rm.
1818. D. Rm.
1811.