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2.highway subgrade drainage system
公路路基排水系统收藏指正
3.irrigation and drainage system
灌溉排水系统收藏指正
4.farm irrigation and drainage system
田间工程收藏指正
5.Monitoring water supply & drainage system including firefighting water system.
监控给排水和消防水安装工程。收藏指正
6.The drainage system has been aged.
排水系统已经老化了。收藏指正
7.In the mine drainage system many drainage pumps must work correspondly.
摘要在煤矿井下的排水系统中，需要多台排水泵协调地工作。收藏指正
8.Advanced drainage system ensures application in any operating conditions.
采用先进的排液系统，可适合任何工况条件下使用。收藏指正
9.Frequency control technique applied to drainage system of LP heaters
变频调速技术在低压加热器疏水系统中的应用收藏指正
10.Lesions of the lacrimal drainage system: A clinicopathological study of 643 biopsy specimens of the lacrimal drainage system in Denmark 1910-1999
泪液排泄系统病变:丹麦1910～1999年643例泪液排泄系统活体标本的临床病理学研究收藏指正
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