ĴŻˮ
ŻˮһֱųŻ˵ˮͨˮһ٣ƽеķͨһǿȵĴųͨˮͻɴŻˮŻˮЧܣڹҵũҵҽѧй㷺Ӧá
ڹҵϣֻôųĹ¯ˮԼˮڴŻˮѱ㷺ڸָ¯ȴϵͳȴЧʡӳ¯˺Ҫá໯ôŻˮӿ컯ѧӦٶȣ߲ҵôŻˮ˻ǿȡ֯ôŻˮʽӡȾôŻˮɫȡ˺ܺõľЧ档
ũҵϣôŻˮʹӳѿ죬ѿʸߣߡ֡ŵ㣻ôŻˮʹɣӿлʷֽ⣬̼ũͨʵǷ֣ŻˮĴ󶹡׵ũܲƹϵ߲ˣ10~45%ˮСͲ˵11~18%⣬ЩôŻˮιݼ󣬿ʹ󼲲١ؿ졣
ҽѧϣŻˮɱϸͲƶּŻˮƸֽʯ֢ʯ׽ʯʯȣθѪѹ򲡼ðȾЧû˵Żˮ𵽷á
ճУþŻϴ·Һϴ£ɰ·ϴøɾȤǣϴ·۶ôŻˮϴ£ϴЧҲ⡣
ŻˮΪʲôأһδҿաһЩѧΪˮӱһС壬ԴżͨˮˮӾͻӴġš֡šˮĶѧʡͨˮųú󣬳ԭӵġšʹɵлˮӡȻҪ׽ҿŻˮİأдǼо̽

