发布时间:2025-01-17 04:50:53
落水管插在水缸里会影响排水,特别是当雨下得比较大时。
因为水缸满水后,会减缓落水管下水速度 ,可能造成屋面雨水排水不及时,屋面积水。
水泵买错了,本来是要买自吸泵的,买成增压泵了,如果我把增压泵的叶轮换成自吸泵的叶轮。是不是就成自
2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53建筑阳台的驼梁我要做弧形的但建筑工老是建议我做直线的他们说弧形不受力又不好做但我看见很多楼盘
2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53 2025-01-17 04:50:53