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.
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.
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。
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