Comparing with normal concrete, lightweight concretes cannot be used for their thermal insulation.
举一反三
- System with insulation class F are often used; for them a temperature<br/>rise referred to thermal class B is allowed, which guarantees a ____<br/>of safety on the insulation life. A: equivalent B: margin C: adjustable D: rated
- Fats are used for and insulation.
- Fats are used for and insulation. (energy / strength)
- Reinforced concrete beams work with cracks under normal load.
- The walls consist of A: 3 huge sheets of glass and concrete B: 3 huge pieces of concretes with small windows C: only 3 huge sheets of glasses