552.三次下水（1/5）
??һ???Zѽ???Z?????Zѽ??վ????ѽ???Z?????Zѽ?????? ????ү???Һ?Ӵ?????? ???٣??? ?????????????????????????͡????? ???٣??? ??һ????ඣ???????ѽ?????????̾۱???ѽ?????????Ǵ???Ⱥѽ?????? ??????????£??߿???????쳹??ͷ?? ???֮??????????????Һ????ֿ?ʼ?ˣ??????ʹ?????????????β??????ǰ??????ʱ???????Ǿ?Ҫ???ź????ϴ??????ˡ? ?????????????Ŀ????Ϊ?˴???????Ļ?????????????ͷ????????Ȼ??????ô???У???????????һ??ѹ??Ϸ??????ȡ???? ????????Һ??ӣ???Ϊ?????˵?¹ִ????????һ???ο???̨?ʵ????????ã??????????????ţ??? ????????????ĵ?????????????????Щ?겻???ᣬ????һ??????¹ִ???Ǹ??ʵ??ؿ??顣 ??ϧ??ɴ???????㣬????һ?????οհ?ɴ??????һ??ȷʵ?ܲ???İ׳?У??????۾????????Ѫ?ˣ?Ҳʲôû?鵽?? ¹ִ?϶???һ?????ӣ?????????һ????????˵????????????????????????????ϱ?ǣ?????????ͨ??һ̨???????????????????У??????????ٻ?????ˮ?н?֮????????????˵???????Ͽ????ⳡ???䡭???? ??Ⱥ??ʱ??????ӿ????һ?????Ŀ????????? ?ο??÷?ˮ???ں?????????һ???첼?????????˱??ڲ???д???֣???????ʱ???ں첼???????£????˱????µ??ּ?Ҳ???ᱻ??ˮ?ݵ??? һ???????????οͽ????ŵ????????У???????????????????˦????ʮ???????˺?? ???????ѵ?????¶??????????ȳƵļ???Ⱥ????һ?????ܴ???ͷ???뺣???ʱ????һȺŮ?οͽ????????? ????Ƥ????ɫ???Ըа????????ۣ?С?????????ã?????????????Ŷ?????????????????ߣ????????ˣ??? ????ǰ??һ?仰??????????Ҳ?????·?????????????????ͷ?????Լ???С?????ָϽ?ϵ???˿??ӡ? ??ˮ?峺????????????Ұ?糣?????ں?????????ɨ??һȦ??Ȼ??Ϳ????????ں??ס?Ʈ?ź첼?ĺ????? ????????ˮ???ϻ????˹?????????ˮ?°??ϻ???????һ?????ݣ??о?ʱ?????ˣ????????????ϻ????ϵ??????? ?ϻ????????棬վ?ڻ??????ϵİ??????纣???ˮ??ֻ????ˮ??ӿ????ֱ??ֱ?ϣ????ź???ð?????档 ???ò?˵???????ij??????Ǻ??????ĵģ??ο??ǿ?????һĻ?????????????????????Ⱥ??绹?? ?οͼ???˺????????ȷʵ?????????ģ????ͷ??ʾû???⡣ ???ҵ??????????????? ¹ִ?Ͻ?????????????ָ?Ŵ??ӵ?????лл????????????????????????ȥһ??????֣???????????Ƕ????Ը?????һ???ˡ??? ???????????ǻ???Ҫһλ?ο͵???ϣ????Ҫ??һ??????Ϻ????ǣ??? ???????ϣ?һ???????ж?ʮ???ֵĽ?????Ϻ??????????????צ?? ?????ο????˷??ˣ????ողŵ???·??????????????Ϻ????̨???οͰ???????????Ϻ??Ʒ?ֺ?ͷ???????ǧ?飡 ??ʱ???ο??????ȿֺ??????ͷ???????????ң??? ¹ִ??Ѹ??ѡ?ˣ?????ǰ??һλ?????????????ѡһλŮʿ?ɣ???λŮʿ??????̨?????? ?ٸ?Ť????欵???֫???˼?̨??????˵???????Ҳ?Ҫ?????ģ???Ҫ???Ǹ???ˮ?ĺ???С????ġ??? ????С??磿???ڻ???????ٶ???ˮ?İ??????????⻰?????˽???Ӻ??Ǻ??˵㣬??˵?????Ǻ??ˣ??Ǿ??????ں????ˣ? ¹ִ??ָ??̨?µ?????Ůʿ?????????ɷ??ڿ??????ء??? ??Ϻ?ı?Ǹ?????????ϵ??һ??д???ٸ????ֵ????ϸ??Ӽ??ɡ? ???ţ???Ϻ???????̣????????ٶ????????˷ɻ??? ????Ѷ????ӣ???Ϻ?ǻ?ģ?????ʱ???ھ???״̬????ˮ??϶?????ˮ???ζ?????????Ը????????????ж??㲶?̡? ??????????ν????????Ұ??ˮ??̫???ˣ???????ˮ?п??????⣬Ҫ???????????Ϻ????١? ?????????ٶ?ץ????Ϻ???????????Ĩ?㾨???Դ??ϸ?????ˮ?档 ??Ϻ?????ٸ????ٸ??????????????̨????????û?ҿ????????ڵ?С??????̫?????ˡ? ?????ٶȱ?????ȥ????????????и?ˮ????Сˮ?裬??????һ??ͨ???ƵĴ??㡣 ????㣡 ??????һ??????ճ??????ͻ?????Ұ??????㣡??ֻ????ôһ?仰??¹ִ?Ͼ????????ο??ǡ? ???????ң???Ůѡ?Ұ????? ??ѡ??ѽ???ҿ??Ը???????һǧ??Ǯ??ѡ?ң??? ???ҳ?һ?? ????ɵ????һ???????һ???Ӵ???㣡?? ?????ɵ?أ?û???˼?˵????Ұ???????????????ͷ??Ұ??????㣬û???????????????????? Ұ????????ֵ̫???ο???Ҫ???ˣ??˼??ˡ??????ˣ?Ҫ???Ǵ???????????????ɾ????ߣ??ǿ϶?????Ҫ???ƽ??????ˡ? ¹ִ?Ͽ??ٵ?˵????????Ҳ?Ҫ????????εĽ???ÿ???˶??зݣ?ֻҪ????????????????????????ÿһ?????綼?????ڱ??????????һ??ȫ?Ҹ???????????? ????????????أ????????۰Ͱ͵??ʵ??? ??????????㽫??????ٷ??????????????????????Ϊ??????????٣??Ա?ʾ?????ڰ?æ֮?г?????μӱ????????????л?? ?ο??Ƕ?ʱ???????ˣ?????????????????ݣ???¸????????û?????????ٵ??ˡ?????ιιι?????????ܴ?ˮ??ץ??һ???㣿?Ҳ??Ű????? ????ϲЦ????????ȥ????β???˸????ӣ?ͬ???ڸ?????д?????????˱?ǣ?Ȼ??????????????ͷ?????? ???????ζ??ٶȸ???????????Ϻ??ȫ????һ?????ϵģ???һ??ˮ??????ʧ????Ӱ???٣????Բ?????ͨ??????????֮????Զ???????С? ???Ŵ??????ˮ????ͨһ??????????????һ??????Ҳ?????˺??