VؾNͶӷ
һĿ
F(xin)90mV^(q)ĤĿǰMˮ20ԃ(ni)ˮҪ_15mg/Lԃ(ni)̎s2500m/hˮS̎βˮA
ͶӾw
1ÞVϒĤҺ
ÒĤҺ90mа40kgN͏ͺϾN10kg30kgǣʳü0.5kgСۣ0.01kgFۣ200Ŀ0.5kg⛣1kgأಿ֞ˮԁˮǰϵy(tng)жҺ_oȣ
2ĤA
ĤҺ뷴VMѭh(hun)\D(zhun)鿴ĤrĤ mcصֱĤɣr2~7죩
3MˮA
ĤɺM̎ˮһϵy(tng)\D(zhun)(wn)ˮMؓϵy(tng)\D(zhun)
So
ڣһ꣩һΣȔ(sh)(j)raTɣ10-35ˮؗla䷴ضȠraͺϾN
֮Դˮ̎˾------NͺϾNCOD͵͜/ߜؾN}