There is a small drainage outlet for changing water under the vase, and we use the rubber buffer to block it. 花瓶下部有一個換水用的小排水口,並用橡膠塞塞住。
To prevent water damage, the valve must be properly connected to a discharge line which terminates at an adequate drain. 為了防止水的破壞,這些閥門必須與排水管道連接,以便能夠將水排到適當的排水口。