| 摘要 |
<p>Floor which supports e.g. trays containing mushrooms, has e.g. pontoon type floats (3) on which nesting trays (2) are supported. The floor unit includes pump (7) which supplies water (5) from reservoir (8) to shaft (4) to respectively discharge water (5) from shaft (4) to reservoir (8). Automatic controls (9) regulate the pontoon movement. Movement of support trays is pref. 0.4 meter per minute.</p> |
