缓冲罐中的液位由液位控制器控制，使补液泵及时启动、停泵，使罐内保持一定的安全液位；
The liquid level in the buffer tank is controlled by the liquid level controller, making the fluid infusion pump started and stopped timely, and a certain liquid level can be kept in the buffer tank.
据此，民航局要求各航空公司密切关注天气情况，以便在发生大面积航班延误时及时启动应急预案。
It urged airline companies to pay close attention to the weather and improve contingency plans in case of flights delays.
为确保太湖的蓄水量和调蓄能力，及时启动了“引江济太”调水工程，引长江水补充太湖，满足了下游地区的用水量需要。
Water diversion project from Changjiang River to Taihu Lake was carried out right away to ensure water storage and storage capacity of Taihu Lake and meet water demand of lower areas.
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