本文着重探讨当给水调节伐门开度变化时，伐门特性以及管路传输迟延对锅炉汽包水位动态特性的影响。
This paper focuses on effects of the valve characteristics and the transfer pipe delay on dynamic performance for boiler drum level, under varying valve opening of the feed water control valve.
针对电厂一台实际锅炉，得出了锅炉水位动态响应的延迟时间与伐门开启时间，以及流过伐门流量之间的关系。
The relationship between delay time of the boiler response, the opening time of the valve and the flow through the valve for an actual boiler is obtained.
她又继续打起毛线走了出去。复仇女神跟着她。德伐日是最后一个出去的，他关上了门。
She resumed her knitting and went out. The Vengeance followed. Defarge went last, and closed the door.
德伐日是最后一个出去的，他关上了门。
作为其环保法子的一部门，该航空公司还将收受接管纸杯和塑料瓶，并将使用由森林间伐项目所产木材制成的筷子。
The airline will also recycle paper cups and plastic bottles, and use chopsticks produced from wood from forest thinning projects, as part of its efforts to become more environmentally friendly.
作为其环保法子的一部门，该航空公司还将收受接管纸杯和塑料瓶，并将使用由森林间伐项目所产木材制成的筷子。
The airline will also recycle paper cups and plastic bottles, and use chopsticks produced from wood from forest thinning projects, as part of its efforts to become more environmentally friendly.
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