通过水系类型信息研究可反映出一定的地质构造和地壳运动性质。
It can reflect the characters of geological structure and crustal movement by investigating the information of drainage pattern.
砂矿的分布与滨海带的基岩性质、海岸带类型、地貌、水系、水动力条件、海底底质等密切相关。
The distributions have a close relation with bed rock property, littoral zone types, geography, water systems, hydraulic conditions and bed property of sea bottom.
本文对大型汽轮发电机两种主要类型的油、水系统可靠性进行了分析，并提出了提高可靠性的措施。
The large turbogenerators have two kinds of oil and water systems. This paper analyzes its reliability and proposes the methods for improvement of reliability.
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