国产99久久精品一区二区_亚洲a∨无码男人的天堂_麻豆av一区二区天美传媒_亚洲av无码专区色爱天堂老鸭_欧美视频网站www色

gӭRӱh(hun)Ƽ޹˾I(y)W(wng)վ
]ʽsS

]ʽsO(sh)Ӌ(j)xͷӵ

ߣhengke Դӱh(hun)Ƽ޹˾rg2019-10-26 20:07:14L
]ʽsx͕rҪMܶʹO(sh)a(chn)P(gun)Ĕ(sh)(j)O(sh)ğoЧѭh(hun)ˮĜ(dng)?sh)صĭh(hun)ضȵڳҊĭh(hun)l£PPsԭtx]ʽs̖PsO(sh)l(f)Ṧ Px]ʽsĘ(bio)Q书
]ʽs

]ʽsO(sh)Ӌ(j)xͷӵmVMӱh(hun)Ƽ޹˾

ҹ(ji)ܜpߵČ(sh)ʩˮYԴT]ʽsFұC(j)еӹ{(dio)ϵy(tng)ИI(y)õˏVđ(yng)mVMӱh(hun)Ƽ޹˾

x͕rҪMܶʹO(sh)a(chn)P(gun)Ĕ(sh)(j)O(sh)ğoЧѭh(hun)ˮĜ(dng)?sh)صĭh(hun)ضȵڳҊĭh(hun)lPPsԭtx]ʽs̖Ps—O(sh)l(f)Ṧ   P—x]ʽsĘ(bio)Q书mVMӱh(hun)Ƽ޹˾

]ʽs~mVMӱh(hun)Ƽ޹˾

҂µĺηӋ(j)O(sh)l(f)Ṧʣx͵Ļ(j)mVMӱh(hun)Ƽ޹˾

1(j)O(sh)ҪsˮxՏSO(sh)Ӌ(j)ˮӋ(j)ҪsPs(KW)mVMӱh(hun)Ƽ޹˾

Ps=L/s×wȟC×ΔtmVMӱh(hun)Ƽ޹˾

2Ps=O(sh)\(yn)еğoЧʣmVMӱh(hun)Ƽ޹˾

3ڴҺsrPs=𹤼a(chn)kg/h×ğC×t2-t1/3600t1—Һض     t2—ضȣmVMӱh(hun)Ƽ޹˾

sϵy(tng)޹˾a(chn)ƷԲϵĶԣY(ji)(gu)Ķ׃ʽĶxԵȶm(yng)ͬ|(zh)ͬضͬȟͬwͬ\(yn)Эh(hun)ȵҪmVMӱh(hun)Ƽ޹˾

mVMӱh(hun)Ƽ޹˾
mVMӱh(hun)Ƽ޹˾

mVMӱh(hun)Ƽ޹˾
mVMӱh(hun)Ƽ޹˾

mVMӱh(hun)Ƽ޹˾
mVMӱh(hun)Ƽ޹˾

 mVMӱh(hun)Ƽ޹˾

                                                 mVMӱh(hun)Ƽ޹˾