| 摘要 |
A member (3) is pivotally mounted on the inner face of a trawl door 1, and said member can be attached to a trawl warp which is attached to a trawler. A resilient connection (12) is provided between the member and a point on the inner face of the trawl door. The outer face of the trawl door is provided with a backstrop (42) fixed to the trawl door through an aperture (33). A resilient attachment (42a) is connected between the backstrop and a further aperture (38).
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