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。
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。
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