dewatering agent 脱水剂

The following video provides you with the correct English pronunciation of the word "DE-WATERING", to help you become a better English speaker.

Refers to a process used in detention/retention facilities, whereby water is completely discharged or drawn down to a pre-established pool elevation by way of a perforated pipe. De-watering allows the facility to recover its design storage capacity in a relatively short time after a storm event.