DRAINS THE PIT –The suction pipe reaches the bottom of the sump pit and the pump empties the entire pit in each cycle. The ejector runs for a full 15 to 45 seconds (adjustable). Other backup sump pumps have mechanical floats with limited travel of several inches and empty the pit only...
if you experience a burst pipe in your basement, a floor drain may not be enough to eradicate the water. A sump pump may help push this water out, minimizing the amount of standing water.
百度试题 结果1 题目 2 The pump ___ the oil from the sump to an oil gallery or header that runs the length of the block. 相关知识点: 试题来源: 解析 A sucks 反馈 收藏