| 摘要 |
<p>The slurry spreader has an agitating mechanism formed by one or more air inlet valves close to the container base. Air is blown into the inside of the container through the valves from an air pump. A safety valve which is opened when a given pressure is exceeded. The container is emptied by the pressurised air, and the air valves are opened when the air pump is operating.</p> |
