超碰日韩人妻-国产免费毛卡片-免费播放一级黄色毛片-国产啊啊啊-色噜噜狠狠色综无码久久合欧美-久久4000精品-国产精品成年片在线观看-色噜噜五月天丁香婷婷网-俺去也俺去啦最新地址-东北美女啪啪,涩涩97,五月婷婷导航,护士足交一区二区

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)lPPsԭtx]ʽs̖PsO(sh)l(f)Ṧ Px]ʽsĘ(bio)Q书
]ʽs

]ʽsO(sh)ӋxͷӵSGzӱh(hun)Ƽ޹˾

ҹ(ji)ܜpߵČʩˮYԴT]ʽsFұCеӹ{(dio)ϵy(tng)ИI(y)õˏVđ(yng)SGzӱh(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SGzӱh(hun)Ƽ޹˾

]ʽs~SGzӱh(hun)Ƽ޹˾

҂µĺηӋO(sh)l(f)Ṧx͵Ļ(j)SGzӱh(hun)Ƽ޹˾

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

Ps=L/s×wȟC×ΔtSGzӱh(hun)Ƽ޹˾

2Ps=O(sh)\еğoЧʣSGzӱh(hun)Ƽ޹˾

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

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

SGzӱh(hun)Ƽ޹˾
SGzӱh(hun)Ƽ޹˾

SGzӱh(hun)Ƽ޹˾
SGzӱh(hun)Ƽ޹˾

SGzӱh(hun)Ƽ޹˾
SGzӱh(hun)Ƽ޹˾

 SGzӱh(hun)Ƽ޹˾

                                                 SGzӱh(hun)Ƽ޹˾