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锚式河床质采样器是利用二十五斤铁锚一个,将入地的两个锚齿上做成凹形,在凹形的地方按上铁管子,管子长约十公分,粗二公分。(用旧自行车架横梁即可),用铁圈套住,铁管子上端成马蹄式,口内做一小活门,管子下端的口用东西塞住(旧棉花、木塞、或破布条)。拋锚的时候沙从前头进入管子,小活门可以自动的把沙挡住,能进不能出,起上锚时把径头塞子
Anchorage River bed quality sampler is the use of twenty-five pounds of iron anchor one, the two anchor teeth into the ground made of concave, in the concave place by the iron pipe, the pipe about ten centimeters, two centimeters thick. (With the old bike rack beams can be), with iron trap, the top of the iron pipe into a horseshoe-style, mouth to do a small door, the bottom of the pipe plug stuff stuff (old cotton, cork, or rags). Sand when the anchor broke into the pipe from the beginning, the small valve can automatically block the sand, can not enter into the anchor when the head stopper