| 简介 |
PURPOSE : A tunnel type multifunctional fish reef for composing sea wood is provided to obtain excellent effect as the fish reef for composing the sea wood due to a wide sticking area and to be planted on a weak ground due to a low earth contact pressure. CONSTITUTION : A tunnel type multifunctional fish reef for composing sea wood comprises : an inserting projection(30) and an inserting groove(32) which are included on an upper part of body(16) and a lower part(14) of the body; an access hole(20) which is penetrated into the upper and lower and both side part(12) of body; a coalescing rope(40) settled in a rope recess; and a shadow space pipe(50) of a cylinder pipe or a bellows pipe which is united with a plurality of access holes. |
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