| 摘要 |
<p>A barrier apparatus comprising one or more barriers, the or each barrier comprising: a trough section; and a wall section movable between a first position in which the wall section is substantially contained within the trough section and a second position in which the wall section extends substantially vertically from the trough section, wherein the wall section includes: a barrier membrane, wherein at least one portion of the barrier membrane is flexible such that the wall section is in a collapsed state when the wall section is at the first position; and a plurality of first beam members for laterally supporting the barrier membrane when the wall section is at the second position, wherein the first beam members are vertically spaced apart when the wall section is at the second position.</p> |
