| 摘要 |
The invention relates to a machine for projecting a mixture comprising products of variable grain sizes and a low water content such as aggregates of natural or industrial origin. The machine is provided with a projection device (16) activated by at least one pressure fluid injection (23, 28) such as compressed air. The injection device is supplied with mixture by means (8, 19) and for transport (11, 15) means. The invention also relates to a method for projecting the mixture. |
