一、研究背景我家用的是两个开关的节水马桶,节水效果很好,但是有时不注意会按错开关,尤其是晚上有时不愿意开灯的时候。还有就是通过向同学了解,有些双档位的抽水马桶质量不高,用一两年出水装置就损坏,而且损坏后无法维修,又不容易找到配套的配件,只能自己冲水或整体更换坐便器。而且现在还有很多家庭使用的仍然是不节水的马桶。所以我和几个小伙伴商量一下,决定研究一个简单好用的节水马桶。我们做的是一个单开关的节 First, the research background My home is a two-switch water-saving toilets, water-saving effect is good, but sometimes do not pay attention to the wrong switch, especially at night sometimes do not want to turn on the lights. There is through to the students understand that some double stalls toilet quality is not high, with one or two years of water damage to the device, and after the damage can not be repaired, it is not easy to find matching accessories, can only flush their own water or the overall seat Toilet. And now there are still many families are still using non-water-saving toilet. So I and several partners to discuss, decided to study a simple easy-to-use water-saving toilets. What we did was a single switch section