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2007年7月16日,是北京市政建设集团有限责任公司第四工程处(以下简称市政集团四处)承接的南水北调工程04标盾构正式掘进的第30天,在这一天诞生了一项新的世界纪录:直径6.14米盾构机月掘进1081.2米!这对屡屡
On July 16, 2007, on the 30th day of official tunneling of the 2004 South-to-North Water Diversion Project under the Fourth Engineering Department of Beijing Municipal Construction Group Co., Ltd. (hereinafter referred to as the Municipal Group), a new World Record: 6.14 m diameter shield tunneling machine 1081.2 m! This is often