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通常所说的水电站的气垫式调压室是指在山岩体中开挖出巨大的洞室，且洞室的顶部不与大气相通的调压建筑。可称之为洞室式气垫调压室。与调压井相比，它有着节省投资的优点。这类调压室以日本和挪威研究应用较早，我国目前尚无建成实例。气垫式调压室的工作原理与常规调压井无
The so-called air-cushion surge chamber of a hydropower station refers to a pressure-controlled building in which huge caverns are excavated in the rock masses and the top of the cavern does not communicate with the atmosphere. Cavity surge chamber can be called. Compared with surge tanks, it has the advantage of saving money. Such surge chamber to Japan and Norway to study and apply earlier, our country has not yet built an instance. The working principle of air-cushion surge chamber and conventional surge well without