压力钢管 meaning in English

penstock

Technical code of safety inspection for steel penstocks
压力钢管安全检测技术规程
Design specification for steel penstocks of hydroelectric stations
水电站压力钢管设计规范
Specifications for design of steel penstocks of hydroelectric stations
水电站压力钢管设计规范
Design of underground buried penstock of longtan hydropower station
龙滩水电站地下埋藏式压力钢管设计
Specifications for manufacture , installation and acceptance of steel penstocks
压力钢管制造安装及验收规范

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