不锈钢悬浮物箱用于清水分离。
有人放下几碗牛奶和清水，还有面包；它们都被巧妙地放在大垃圾箱边缘的下方，以防海鸥抢食。
Bowls of milk and water appeared, along with bread, wisely placed under the edge of the dumpster to keep the seagulls from getting it.
通常是用清水冲净污物箱，然后重新灌满含有甲醛的清水，甲醛的作用是分解污物。
Emptying of effluent tanks is normally followed by rinsing and then recharging of the system with flushing water containing formaldehyde to break up the waste matter.
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