Guide vanes have inhibiting device, and the guide vane which has been cut off will not spin in order to avoid collisions with other guide vanes.
导叶设有限位装置，剪断销剪断的导叶不能随意转动，避免与其他导叶碰撞。
Guide vanes have inhibiting device, and the guide vane which has been cut off will not spin in order to avoid collisions with other guide vanes.
导叶设有限位装置，剪断销剪断的导叶不能随意转动，避免与其他导叶碰撞。
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