The processes of preheating and welding of super scale penstocks were detailed.
本文详细叙述了巨型压力钢管的预热装配和焊接过程。
The test results show that steel fiber reinforced self-stressing concrete could decrease the crack width of penstocks effectively.
试验表明，利用钢纤维和自应力混凝土可以有效地降低管道外包混凝土的裂缝宽度。
The paper deals with boundary effect analysis and concrete stress calculation of manhole for steel penstocks in Qiapuqihai hydropower station.
论述了恰甫其海水电站压力钢管进人孔边界效应分析与具体应力计算。
The cable crane was used for lifting bridges, gates, penstocks and concrete buckets etc, during the construction of the Lubuge, Gongjiaba and Manwan hydropower stations.
在鲁布革电站、曲靖恭家坝和漫湾电站都曾使用缆索起重机吊装桥梁、闸门、钢管、吊运混凝土罐等。
In order to fit relative variable spaces between the power plants, flexible connectors of penstocks are commonly installed for water diversion in a dam-rear power plant.
为适应厂坝间相对变位，坝后式厂房引水压力钢管通常设置伸缩节。
The calculated results accord with the classical theoretical and experimental solution, therefore, the method provides a new and feasible way for local stability analysis of stiffener penstocks.
计算结果可以较好地与经典的理论解及试验结果相吻合，为加劲环式压力钢管局部稳定性问题分析提供了一种新的可行方法。
Machine control circuit realizes the functions of water level detect, motor driven, water import and export, it consists of water level detector, motor, transmission system components and penstocks.
机械控制电路实现水位检测、电机驱动、进水、排水等功能，主要由水位检测器、电动机、传动系统部件、进水排水电磁阀组成。
Machine control circuit realizes the functions of water level detect, motor driven, water import and export, it consists of water level detector, motor, transmission system components and penstocks.
机械控制电路实现水位检测、电机驱动、进水、排水等功能，主要由水位检测器、电动机、传动系统部件、进水排水电磁阀组成。
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