surface deposit meaning in English
表层沉积
表面沉积物
Examples
- Installation requires no water draining . simply lower the pipes at tank side and let it sink to the bottom to send up air for aeration . for maintenance , pull up pipe to remove surface deposits , then return it to bottom again
个细孔出气，上升带动全池污水绕流均匀，施工免抽水，由池上放入污水池边，使其沉下池底送风曝气即可，保养时上拉清除表皮再放回即完成。