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֣[][][С] ҳά 2017/12/2         



 Ⱦ⧵ݲҶ߲̿ҲȡЩ ڶľũ ʧܼ δʩ

һѡԵء

ӦѡˮԴöƽߵճ ɳأƣͬһͬһľ  Ҫ

ٸÿƽ  ø50ˮ10  ر ȻĤǣ10ҽҿ ʹӷɲ֡

ڶ50%ĿʪԷۼÿƽװ1.5ˡҲɰ1:20ıƳҩϣЧڲ

ÿƽԵ 75%4ˡɭп5ˣϺ12ϸȣ ʱµϸǣ̿Ҳݲ⧵Ч

3% Һÿƽ ҩҺ0.5Ҷ ľҡ÷ҶλȱĻԵö  겥ʱdzһ Ρ

ǰӦѡӣ̭ӣ0.3%~0.5%Һ0.5~1Сʱ50ˮ24СʱȻ ³ȡ 0.2%ĸҺ30ӣȡ2СʱҲ0.5%~1% ͭҺ1~2СʱȻˮ徻 ҩҺɺ ʱ ֡ʱעȣ˹Աȷ硣

ҩơ

ӳڿʼÿ7~10ÿĶ紲0.5%~1%IJҺ50~75  ľ磬ʹ γɱĤֹ롣ͬʱҪѺʩʹأӦʩũҷΪΪʡѷʺ; Ӧ ͸ʹá󣬼ʱ磬ڲѨΧʯҷۣԷֹӡÿ10~15ʩҩ1Σ ÿĶп500~800Һ10065%Ĵɭп300~800Һ100Ҳ1:100ļ׻ҩ 1508:2 ľʯҷϺʩ  Ͻơ

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