The flow passage of intermediate-pressure cylinder, as well as the condenser and the vacuum extraction system had also been retrofitted in 2004, the safety and economic behavior of said unit being further enhanced.
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美
释义
2004年又对7号机中压缸通流部分及凝汽器、真空抽气系统进行了改造,机组的安全性及经济性均有了进一步提高。
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