一、珠江河口的基本情况珠江河口由八大口门所组成。东面四门分别是虎门、蕉门。洪奇沥和横门,同注入伶仃洋;西面四门中的磨刀门和鸡啼门注入三灶岛与横琴岛之间的海域;虎跳门和崖门注入黄茅海。珠江河口的前缘东起香港九龙黑咀,西至台山县鹅尾尖,大陆岸线长450多公里。口外散落在30米水深线以内的大中小 First, the basic situation of the Pearl River estuary The Pearl River estuary is composed of eight mouth. The four east are Humen, banana door. Hong Qi Lek and cross the door, with the injection into the Ding Ding Yang; west of the four doors in the knife gate and Jitie door into the sea area between the Three Kao Island and Hengqin Island; tiger jump door and Yamen into the Huang Maohai. The front of the Pearl River Estuary starts from Hongkou Kowloon, Hong Kong, west of Taishan County, tail tip, the mainland coastline of more than 450 kilometers. Mouth scattered in 30 meters deep within the depth line