There is a shallow drainingditch outside of the inn.
客栈的外面有一条浅浅的排水沟。
2
It finds flashing at drainingditch and rain water opining. It can begin leveling with trowel after screeding.
在排水沟、雨水口处找出泛水,冲筋后即可进行抹找平层。
3
The concrete piles being poured into deep hole act as the enclosure structure of deep pit. There are drainingditch and water gathering well inside the pit for drainage.