这个不是french drain？这个公司是这么说的

 In order to keep it dry 52’ of a French drain is needed with a sump pump. The cost to keep that basement dry is $4,675. Let me know if you have any questions. That basement has been flooding out for a long time with the condition of the floor. It will keep it bone dry with that proposal. 

所有跟帖： 

• 别管它是与不是，只要能排干水就行。整体不算坏，这房子水泥墙看着没问题。地面状况不太好，但只要不积水不下沉，就不用担心。 -守月- ♀ (69 bytes) () 02/10/2024 postreply 20:42:06

• 我专门看了一个视频，French Drain 是把yard里的水导出去的。 就是说把你地下室墙外面的水给导走。 -NBA_19- ♂ (214 bytes) () 02/10/2024 postreply 21:20:27

• 地下室的这种往往也被叫做French drain，都是用Henry French发明的这种水往低处流的 -W2_2023- ♂ (29 bytes) () 02/11/2024 postreply 01:58:05