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Irrigation Drainage

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un.灌溉排水

Irrigation Drainage

Irrigation Drainage

Irrigation Drainage

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These make up a complete irrigation-drainage network.

这些（河渠）构成一个完整的排灌系统。

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Significance of Trepanation Site in Trepanation and Irrigation Drainage for Chronic Subdural Hematoma

钻孔位置在慢性硬膜下血肿钻孔冲洗引流术中的作用

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Strengthening irrigation, drainage and rural water supply for building new countryside in Sichuan

加强农田水利基本建设为四川新农村夯实基础

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Manufacture and Application of Dispensable Bladder Irrigation Drainage Set

一次性膀胱冲洗引流器的研制及其应用

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1992-1993 Manager of Planning and Project Department, China Irrigation & Drainage Technology Development Corporation ;

1992年至 1993年中国灌排技术开发公司计划项目部经理；

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