Transportation, Post and Telecommunications do not belong to the Industrial system
举一反三
- Starting system and ignition system belong to the electrical system？
- Industrial system affects only resources and environment system, but not social and economic system
- where is the post office ? The post office is . A: downtown B: directions C: intersections D: transportation
- Starting system and ignition system belong to the electrical system？ A: 正确 B: 错误
- Current industrial systems are gradually forming its material chains and webs in the industrial system