Note: 1. The laying method in correspondence with D category in the table 1-18(GB/T16895.15-2002), which is suitable for the direct cable burying or cable layout in the underground conduit.
注：1。敷设方式对应于表1-18（GB/T16895.15-2002）中的D类，适用于电缆直接埋地或电缆敷设在地下的管道内。
The karst water-filling mines in Hunan province occur widely, which can be divided into two types. that is, karst water-filling mine and underground river conduit water-filling mine.
我省岩溶充水矿床较为广泛，可分为岩溶充水和暗河管道充水矿床两个类型，前者包括水文地质条件简单、中等和复杂三个亚类。
Application to a conduit project shows that the system can be applied to the construction and safety monitoring of underground projects surveying.
通过在顶管工程中的实际应用，表明系统在地下工程施工、安全监测中均有较好的应用价值。
Application to a conduit project shows that the system can be applied to the construction and safety monitoring of underground projects surveying.
通过在顶管工程中的实际应用，表明系统在地下工程施工、安全监测中均有较好的应用价值。
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