文档介绍:(qiaoweidixingtu)(qiaoweidizhipoumiantu)(shuiwenziliao)(qixiangziliao)(shuilijisuan)(shejiliusu)(hechuangbijiang)(caolv)(hongshuiliuliang)(shejiliuliang)(shejihongshuipinlv)(huishuimianji)(guoshuiduanmian)(baoyuqiangdu)(hechuang)(zuigaoshuiwei)highestwaterlever,(zuidishuiwei)lowestwaterlever,(changshuiwei)ordinarywaterlever,(kushuiwei)(shejishuiwei)(tonghangshuiwei)nevigablewaterlever,(qiaoqianyongshui)(hecaotianranchongshua)(qiaoxiayibanchongshua)(qiaodunjubuchongshua)(chongshuaxishu)(piaofuwu)(tiaozhigouzaowu)(hedi)(hequangpuqi)(zhuipo)(yuji)(qiaoweixuanze)(qiaoliangbiaozhunsheji)(zhuqiao)(yinqiao)