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1·Pls keep provision on MIV upstream pipe for penstock drain.

请保留在MIV上游管的设备用于水道的排污。

2·A penstock carrying mountain water would be a viable example.

山泉水管道系统就是一个例子。

3·Pits are common defects on surface of penstock of hydroelectric power stations.

表面凹坑缺陷是水电站引水压力钢管中的一类常见缺陷。

4·Penstock fabrication and installation is a comprehensive construction technology.

压力管道制作与安装是一项综合性施工技术。

5·The diameter of the penstock of hydropower station is an important design parameter.

水电站压力钢管直径是一个重要的设计参数。

6·The penstock construction in Ertan Hydropower Station is undertaken by the German NOELL Company.

二滩水电站压力钢管工程由德国NOELL公司承建。

7·The penstock can be divided into manual type, manual and electric type, electric type according to the headstock.

由启闭装置的不同型式可分为手动式、电动式、手电动式三种。

8·The Penstock laid on downstream face of dam is not only a new type of arrangement, but also a new kind of structure.

混凝土坝下游面钢衬钢筋混凝土管道既是一种新型的布置方式，又是一种新型的结构形式。

9·This technique is particularly effective where a riffle drops into a pool or at the dis-charge of a spillway or penstock.

当浅滩掉进水中深穴或在溢洪道和闸门之出水口，这种技巧特别有效。

10·Finally, this paper describes a better model of the speed-governing systems, steam pipe and penstock with emphasis on t...

介绍了功能上比较完全的调速器及汽、水管道模型装置，并着重分析了其中的一些问题。

水渠

1·Global brand of tunnel boring machines used in the construction of metro, railway, road, sewer, water main, penstock, mine access, high voltage cable and telecommunications tunnels.

隧道开挖机的全球知名品牌，适用于地铁、铁路、道路、下水道、水管、水渠、矿场、高压电缆和电信隧道的修筑。