The basic principle of the electrical spark ignition system has changed for over 75 years. （ ）
举一反三
- Starting system and ignition system belong to the electrical system？
- When does the ignition system supply the electrical spark to cause ignition of the fuel/air mixture in the combustion chamber? ( ) A: In flight B: At idle C: All of above D: At start
- Starting system and ignition system belong to the electrical system？ A: 正确 B: 错误
- Our city _________a lot over the past few years. A: changed B: has changed C: have changed D: change
- A basic ignition system consists of the battery, low-tension coil and cables, the distributor and ______ etc. A: spark plug B: foliage C: botanical D: pollination