国产短视频一区二区三区|蜜臀一区二区三区av野外|人妻不卡一区二区三区免费电影|中文字幕一区二区精品久久

gӭRӱh(hun)Ƽ޹˾I(y)W(wng)վ
]ʽsS

]ʽsO(sh)Ӌxͷӵ

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)Ӌxͷӵģ7Chӱh(hun)Ƽ޹˾

ҹ(ji)ܜpߵČ(sh)ʩˮYԴT]ʽsFұC(j)еӹ{(dio)ϵy(tng)ИI(y)õˏVđ(yng)7Chӱh(hun)Ƽ޹˾

x͕rҪMܶʹO(sh)a(chn)P(gun)Ĕ(sh)(j)O(sh)ğoЧѭh(hun)ˮĜ(dng)?sh)صĭh(hun)ضȵȡڳҊĭh(hun)lPPsԭtx]ʽs̖Ps—O(sh)l(f)Ṧ   P—x]ʽsĘ(bio)Q书7Chӱh(hun)Ƽ޹˾

]ʽs~7Chӱh(hun)Ƽ޹˾

҂µĺηӋO(sh)l(f)Ṧx͵Ļ(j)7Chӱh(hun)Ƽ޹˾

1(j)O(sh)ҪsˮxՏSO(sh)ӋˮӋҪsPs(KW)7Chӱh(hun)Ƽ޹˾

Ps=L/s×wȟC×Δt7Chӱh(hun)Ƽ޹˾

2Ps=O(sh)\(yn)еğoЧ7Chӱh(hun)Ƽ޹˾

3ڴҺsrPs=𹤼a(chn)kg/h×ğC×t2-t1/3600t1—Һض     t2—ض7Chӱh(hun)Ƽ޹˾

sϵy(tng)޹˾a(chn)ƷԲϵĶY(ji)(gu)Ķ׃ԣʽĶxԵȶm(yng)ͬ|(zh)ͬضͬȟͬwͬ\(yn)Эh(hun)ȵҪ7Chӱh(hun)Ƽ޹˾

7Chӱh(hun)Ƽ޹˾
7Chӱh(hun)Ƽ޹˾

7Chӱh(hun)Ƽ޹˾
7Chӱh(hun)Ƽ޹˾

7Chӱh(hun)Ƽ޹˾
7Chӱh(hun)Ƽ޹˾

 7Chӱh(hun)Ƽ޹˾

                                                 7Chӱh(hun)Ƽ޹˾