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Gas extinguishingIt was built under the leadership of Chief Cai Xiang and completed in six years. It is a famous beam-type stone bridge in ancient China. Because the bridge is built at the junction of the river and the sea, the river is wide and the water is deep, and the project is arduous, the bridge builder pioneered the "raft foundation" to build piers and planted oysters to fix the bridge foundation, which is an important scientific innovation in ancient China. This bridge, together with Lugou Bridge, Zhao Zhouqiao and Guangji Bridge, is called "China's Four Ancient Bridges". At present, the bridge is 834 meters long and 7 meters wide. There are still 46 boat-shaped piers. There are many inscriptions in the vicinity of the pavilion in the middle of the bridge. There are Song Dynasty cliff carvings such as "An Lan of All Ages" and stone pagodas and samurai statues. There are Zhaohui Temple, Zhenshen Temple and other sites in the north of the bridge, Cai Xiang Temple in the south of the bridge, and Song Monument in Cai Xiang's Wan'an Bridge. In 1988, it was listed as a national key cultural relic protection unit and is one of Quanzhou's scenic spots to declare world cultural heritage.登高望远，没过多一会。　　阿莱克斯·古斯曼必须面对他最不愿接受的事实：莎拉的真实一面。原来他从未真正了解过这个妹妹。与此同时，一具埋在他自家院子里的不明尸体如同一枚定时炸弹，随时可以将他再次送进监狱。他别无选择，只能硬着头皮自行调查线索，以还原莎拉背后的恐怖真相，以及她和拉兹卡诺家族的关系。　　两根看似永远都不会相交的直线却奇迹般的交织在了一起。郑金泰的第100次相亲对象居然是少蓉。金泰对少蓉一见钟情，但少蓉本来只是为了应付母亲的苦苦哀求才去相亲的，虽然对金泰的印象不错，但她仍然以没有做好恋爱的准备为借口拒绝了金泰。Subway station is the center of the whole subway network. It not only undertakes the functions of personnel gathering and evacuation, but also undertakes the functions of various professional equipment and the operation of the whole system. The design of subway station is very important. The design of a station includes many specialties. In the traditional design, ISCS, BUS, FAS, PA, PIS and other professional engineers are difficult to achieve unity. BIM technology provides a collaborative design platform, which can promote effective communication among various specialties and integrate all resources. The application of BIM makes design communication more convenient, easy to adjust and improve, thus optimizing the design.