1·These gate valves are ideal for closing and opening the flow in water pipelines.
本闸阀暗转在介质为水的管路上，作为启闭设备使用。
2·Other shortfalls include water pipelines, mass-transit systems, hospitals and low-income housing.
其他的不足还包括水管铺设、公交系统、医疗设施和低收入保障房等。
3·The under water pipelines were laid into the stable bed by ditch burying of full cross-sectional area to ensure the safety of underwater pipelines.
水下穿越管线采用全断面沟埋敷设于河床稳定层内，确保了穿越管段的安全。
4·All on-site roads, machines, materials, temporary facilities, power lines, water pipelines shall be laid out and managed according to CONTRACTOR requirements.
施工现场的道路、机具、材料、临时设施、供电线路、给排水管道等的布置和管理按承包商的规定进行。
5·Bacterial corrosion mechanism in drinking water pipelines is analyzed and the constructive proposal on the corrosion control of drinking water pipelines is put forward.
研究了给水管道细菌腐蚀的机理，并对管道的腐蚀控制提出建设性的建议。
6·The following road has brought the reconstruction with the subway construction, including new building and reconstruction to the water and wastewater pipelines under the road.
地铁建设带来沿线道路的改建，包括新建及改造道路下的给排水管线。
7·The optimal application of sound pole, leak detector and correlator supported by leak detection program have improved the accuracy of leak detection of underground water pipelines.
听音杆、检漏仪和相关仪等设备的优化使用，加之合理的检漏程序，提高了地下输水管道漏点检测准确率。
8·The temperature drop characteristics of buried waxy crude pipelines in shutdown are summarized and compared with those in water pipelines, heavy crude pipelines and aerial waxy crude pipelines.
全面分析了埋地含蜡原油管道停输后管内原油的温降规律，对埋地含蜡原油管道与输水管道、稠油管道以及架空管道的停输温降规律进行了比较。
9·The government is planning to invest billions in a system of canals, pipelines and aqueducts to divert water from the soggy south to the parched north.
政府正在计划投资几十亿建一个由水渠、水管和高架水道构成的系统，将水从潮湿的南方转调到干旱的北方。
10·But the 2030 plan demands more infrastructure, such as DAMS, pipelines, and irrigation systems, be built to bring water closer to people, she says.
她说，《2030远景规划》要求新建更多基础设施，如水库、管线和灌溉系统，以缩短人们的用水距离。