Wednesday, November 19, 2008

Slient Overflow

簡單咁講,T曲加90度曲向下入水,90度曲頂加喉蓋開細孔排走空氣,細孔不能太大,2分就夠,再用落水閘制控制落水槽水位,就可以做到無聲無氣泡效果

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