世界最早的船坞The world's first dock
金明池大澳北造船坞，位于河南开封金明池北，北宋(960—1127年)位官黄怀信设计。也有文献记载，我国第一座船坞是在北宋太宗时(公元976—997年)由一位名叫张平的船官建造的。他令民先在池北挖个大池塘，塘底竖木桩，桩上架梁，然后开坝灌水，把朝廷龙舟引入池塘。船入塘后重新建坝，将塘内之水车干。这样船被架空在梁柱上，工匠们在船下都能操纵自如，修理船舶。此船坞比国外最早的船坞(在西方，直到1495年，英皇亨利七世才在朴茨茅斯修建了欧洲第一个船坞。)早了四百多年，比沈括的记载也晚了四百余年。是世界最早的船坞。Jin Mingchi Tai, north makes the dock, located in the Henan Kaifeng gold Mingchinorth, the Northern Song Dynasty (960 - 1127) official Huang Huaixin design.There are also records, China's first dock is in the Northern Song Dynasty whenEmperor Taizong (AD 976 - 997 years) by a man named Zhang Ping Guan builtship. He makes the people to dig a big pond in the north of the pool, pond bottomvertical piles, pile frame beam, and then open the dam irrigation, the imperialdragon boat into the pond. The boat into the pond again after the dam, the water tankers in the dry pond. This ship was overhead in the beam to column,craftsmen can operate with ease in the ship, ship repair. This dock earliest than foreign dock (in the West until 1495, King Henry VII was built in Portsmouth in the first European dock.) As early as more than 400 years, than Shen Kuo's records also late four hundred years. Is the world's first dock.
国初，两浙献龙船，长二十余丈，上为官室层楼，设御榻以备游幸。岁久腹败，欲修治，而水中不可施工。熙宁中，宦官黄怀信献计，于金明池北凿大澳，可容龙船，其下置柱，以大木梁其上。乃决水入澳，引船当梁上，即车出澳中水，船乃笐于空中。完补讫，复以水浮船，撤去梁柱。以大屋蒙之，遂为藏船之室，永无暴露之患。In the beginning, two Zhejiang offer long dragon boat, more than 20 feet, on the official room floor, a royal couch for travel. Year long ventral streak, to repair, andthe water can not be construction. Xining, the eunuch Huang Huaixin offer, Yu Jin Ming Chi Bei chisel Tai O, can hold dragon boat, the lower column, with its largewooden beams. But will the water into the Bay, leading ship when the beam, i.e.car Macao water, the boat is Hang in the air. After fill up, covered with water floating boat, removed from the beam and column. To Oya Mono, then to hidethe ship chamber, permanent non exposed patients.(责任编辑：最有料)