originating call

The paper briefly introduces the launching technique, one of the crucial techniques, of the long and thin mud-shields with small diameters in different strata through example projects to analyze and compare the strong points and weak points of different plans for your referenc.

而盾构始发乃是盾构的关键技术之一,通过工程实例介绍小断面细长型泥水平衡盾构机在不同地层始发技术,分析比较各种方案的优劣。

The shield bored section of Contract 2,and a 17m mining section near TianFu Plaza,of phase 1 of Chengdu Metro Line 1 could not have been implemented,should con- ventional method of shield launching as constrained by various factors been employed.

成都地铁1号线一期工程盾构施工2标在与天府广场站接口处有17m 的矿山法暗挖段,如按常规方法始发受到各方面因素的制约,基本无法实施。

Objective:Explore the ACE gene polymorphism and acute ischemic stroke predicate syndrome relevance.

目的:探讨ACE基因多态性与急性缺血性中风始发证候的相关性。