During the construction of diversion channel in Daxia Hydropower Station in Yellow River, a retaining rock bar was reserved at entrance of diversion channel.
黄河大峡水电站导流明渠施工期间，在进口处采用预留岩坎挡水。
A novel new strategy is proposed, in which the filter of the DC fault line at converter station is reserved to enhance the system transient voltage stability under this fault.
提出了一种新的保留故障直流线路处的电容器组的策略，以提高故障下的暂态稳定性。
Customers can take IC card to our subordinate LPG station, recharging spot, or pipeline service network to pay relative fees, and then can apply for reserved bottles.
IC卡到我燃气集团所属各液化气供气站、充值点或管道气服务网点，缴交相关费用，即可办理备用瓶。
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