| 摘要 |
<p>The warehouse (1) comprises one or more gutters (4) open at the top between its edges (8), together with a large number of bars (6), fixed at intervals to the gutter edges. The gutter edges are joined together at a number of points at intervals along it. The bars in a pair can be joined to each other on the gutter centre line, typically by hooking or bolting together. The gutter edges can be aranged to fit in slots in the bars which are inclined to the vertical.</p> |
