| 摘要 |
A Venetian blind is constructed to include a horizontal headrail, two vertical side rails arranged in parallel at two sides below the headrail, a horizontal bottom rail spaced below the headrail and vertically movable along the length of the side rails, a plurality of slats arranged in parallel between the headrail and the bottom rail, two connecting cord members longitudinally connected to the slats and each having two ends respectively connected to the headrail and the bottom rail, and two positioning mechanisms provided between the side rails and the ends of the bottom rail and adapted to secure the ends of the bottom rail to the side rails at the desired elevation.
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