& f z @# z0 C今天去地下室洗衣服,忽然听见sump pump有哗啦啦的流水声。上个周末(也就是3天前)还没有呢。到外面看了看,就我家的那个黒管子是潮湿的,还有水滴出来,左邻右舍的都是干燥的。我记得那个黒管子就是连着sump pump的,位置也是挨着sump pump的。+ y3 |9 M K5 p0 I: C, Q/ V
This is what sump pit/pump designed for: Collect all underground water around your house foundation and pump it out to the outside drainage system before it ever has a chance to flood your basement.