词汇	sieved set
释义	sieved set 筛集
随便看	flood control forecast operation flood control forest flood control for reservoir flood-control headquarters flood control impact flood control in city flood control information flood control installations flood control insurance flood-control investment flood control level flood control limited level flood control limited levels flood controllin flood control map flood control measures flood control mechanism flood control objectives flood control of Changjiang River Flood control of channel flood control of Huaihe River Flood Control of Liuhe River flood control of Mississippi River flood control of Yangtze River flood control operation