| 摘要 |
A device for reducing erosion of a sand bed comprising: a plug with one or more fronds attached; wherein said plug and fronds being securely planted in the sand bed; and wherein the plug is adapted to receive a water hose and produce a jet of water which facilitates planting the plug and the fronds include a flotation device. I-.- 4 "I 4? #1 ~ ~* ,/ -&: **7/ LA '~~j~~~ ft 4$ 0 4 4v rH C !( Figure 1 |
