港闸 Traditional form: 港閘 Pinyin (reading): Gǎngzhá Definitions: Gangzha district of Nantong city 南通市 ( Nántōngshì), Jiangsu Characters: 港 - port, harbor, bay; Hong Kong 闸 - sluice, floodgate, canal lock Traditional characters: 港 - port, harbor, bay; Hong Kong 閘 - sluice, floodgate, canal lock