ܛˮO(sh)ԭ
ˮӲҪ},Vγɼʾ,һxӽQ֬(ܛˮO(sh)),ˮеγˮҪɷÓQ,S֬(ni)Ca2+,Mg2+,֬ȥCa2+,Mg2+Чu.
(dng)֬һ}Vx֮,ͱM,^̾}еʳ}ˮ_ϴ֬,ј֬ϵӲxÓQ,SUҺų,ֻ֬֏(f)ܛQ
偠tܛˮO(sh)ɏV(yng)偠t,ˮ偠t,Q,l(f),{(dio),ֱȼCϵy(tng)aoˮܛ.߀e^,,֘,Ԣ,Ҿӵˮ̎ʳƷ,,ᄾ,ϴ,ӡȾ,,t(y)ˎИI(y)ܛˮ̎