(Draft) 利用氣泡簾(bubble curtain)來降低管樁工程所產生的噪音低

Ref: http://www.lohud.com/article/20131224/NEWS02/312240054/-Bubble-curtains-guard-fish-from-deadly-Tappan-Zee-pile-driving-sound-waves?odyssey=mod%7Cnewswell%7Ctext%7CRockland%20County,%20New%20York%7Cp&nclick_check=1