亚临界参数的300MW机组目前已占山东电网发电容量的45.8％，做好机组水汽系统化学监督工作是今后全局化学监督主要的攻坚方向。

Since 45. 8% of electricity in Shandong Grid was generated by subcritical 300MW units, the much better chemical supervision on water and steam system leads to the important direction in future works.

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