C. similar buildings can be produced D. all units are produced on the site
4. The usual fixed length in the modular system is_______.
A. twenty centimeters B. ten millimeters C. fifty centimeters D. ten centimeters
5. What lifts the concrete panels onto the building?
A. Cranes. B. Man-power. C. Pulleys. D. Hydraulic jacks.
答案: A C B D A
【系统建设的原则是建筑必须由一组标准的单元构成】相关文章:
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30