Bucking Strength Analysis of The Web of WCW H-beam
全波纹腹板H型钢腹板屈曲性能分析
WCW showed better capability for COD removal from agricultural runoff between October 2002 and June 2004.Thus WCW effectively cut the external COD load of Dianchi Lake .
2002年10月~2004年6月期间,湿地表现出较好的拦截沟渠来水中有机物的能力,有效地降低了滇池的外源有机物污染负荷。