electrical instllation
电气安装
举一反三
- electrical energy
- “electrical circuit”的意思（）
- Battery serves as an electrical energy source．
- Who is the "electrical supervisor"? The man who __________. A: does the maintenance work B: is responsible for electrical safety C: is superman D: is superior to other employees
- We will have this electrical appliances on time。(deliver)
内容
- 0
_____ is a machine by which electrical energy is transformed into mechanical energy.
- 1
I think it is important to produce household electrical appliances that are _________.
- 2
Their inventions have contributed to the_________________ of electrical engineering. (develop)
- 3
Starting system and ignition system belong to the electrical system？
- 4
Many large supermarkets sell clothes and electrical products.