[B]以下是引用[I]乡下老伯[/I]在2006-7-19 16:33:00的发言:[/B]<br>< >水景的循环水系统就是到花卉市场的水族馆,买一个鱼缸用循环泵,或者叫过滤泵、潜水泵,泵功率有大小,一般按照你所需要的管子和电线的长短而定,连接管子和电线越长功率越大,连接管子的长短需要也就是你水有多深加上到出水口的长短。以下一张照片的左下角就是泵的连结管子,泵放在水里,管子在石头缝里连接到出水口,这样说是不是明白了。
<img src="attachments/dvbbs/2006-7/200671916322681244.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2006-7/200671916322681244.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /></P>
请问老伯是不是把鱼缸里的水抽出来再放回到鱼缸里,不用换水了?
[此贴子已经被花影流光于2006-7-20 23:17:35编辑过]
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