Hydrologists worry that if we now use the clean surface water of the reservoir and leave the 20 million tons of silt added by Aere at the base, then once the mud settles it will harden and be impossible to remove.
水利專家擔心，如今抽用水庫上層乾淨水，將艾利帶進來的二千萬噸泥沙留在底層，一旦污泥沈澱庫底變成硬泥，就再也排不掉了。