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1 ?水工结构 ...度确定方法探讨 - 水利工程网 关键词 水工结构；安全系数；风险；目标安全度；设计基准期 [gap=5654]Keywords: hydro-structure, safety coefficient, risk, aim safety degree, design criterion durations ..
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May provide other drilling services, such as repair or dismantling of existing water well structure, elevator shaft drilling and hydro pole drilling. 可能会提供其他的钻井服务，如维修或拆除现有水井结构，电梯井钻井和水力极钻井。 - 2
The hydrogeological structure model which represents the space structure of the hydro geological unit and the spatial distribution of aquifers, is the basement of groundwater and environment research. 水文地质结构模型是表现水文地质体的空间结构及含水层空间分布的模型，是地下水及与环境研究的基础。 - 3
Taishan JMZ150 is a new, hydro mechanical anchor drill. This paper presents the design, structure, parameters, characteristics and application examples of the drill. 泰山jmz150型钻机是一种新型的、液机结合的锚杆钻机。介绍了钻机的设计要求、结构、参数、特点及实际施工情况。
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