【填空题】
378.1号机高压缸通风阀在___跳闸，___解列联锁开启，发电机___自动关闭。
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汽机|发电机|并网后
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【填空题】
8.过热器受热面由四部份组成，第一部份为顶棚及后竖井烟道四壁及后竖井分隔墙；第二部份是布置在尾部竖井后烟道内的低温过热器；第三部份是位于炉膛上部的___；第四部份是位于折焰角上方的高温过热器。
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