一次,我方便后用刷子洗马桶时,发现上面凹进去的地方有一层厚厚的污垢,无论怎么刷,也难以刷干净此处。原因是:这个地方的沿是凸出来的,凹进去的地方后面宽度有5厘米,两侧和前面有3厘米,可那刷子又不会弯曲。因此我想到两种改进办法:一、在马桶凹进去的地方设置自动刷子,这些小刷子要串在同一条拉线上,这条线的开关可以和冲水开关是同一个,按下去,水冲下来,它就上下 Once, after I was convenient to wash the toilet with a brush, found that there is a thick layer of dirt on the concave, no matter how brush, it is difficult to brush clean here. The reason is: the edge of this place is convex, concave back to the place behind the width of 5 cm, on both sides and in front of 3 cm, but that brush will not bend. So I think of two ways to improve: First, in the toilet recessed place to set automatic brush, these small brush to string in the same pull line, this line switch and the flush switch is the same, press, water punch Down, it goes up and down