??

ê1ê1ê1ê1ê1

???
????о ?

? ?
?????2020ú??????????70%7090??ú???????30%~40%21????????????50%????????20????1970~1996???????????????????????

???????Ч??????л????β??????????е???

????????38????1.6???????200?????2%?20%?????????????????????,??мй??гйò?,??????б??????г??????ó??Ч?????;???е????????????????????ЧЧ檔 ???????????ú????л??Щ??????????????????????ú??????ó??в??????1.6MPa£СDN200£????γ????????е??????????????д??г???

??

???????????????????????

1 ??????ú;???????????淶???????????50?Ψ??????????????Χ???????и??????????á?????80????????????????λ

2 ?????????????????У????淶??в????????????ò??240??8~15?????????漲Χ????Ч?????廯?β??а??£??2D??γ??e???С?????

3 ?ж?н?н?

н??????????Χ????С??????????????н???Σ????еУ??????н????Χ?????????????Щ?Ч???

??н??????????γ???????????£г??÷????????????????

4 ???????ú?????????????淶УΧ???1501СΧ?????ε??

5

?90峬????????????塢н?????????Χ?????0.5m/s£???γ??????????д???

6 ?

??????羫???0.5%~0.1%Χ???10:1С?DN15??????????иУ饗????

7

????????????е?????????????????`?????????

???

???????????ο????????????????????????????

???У??楨?楨?楨;?檔?£

1??棺??????Χ????????

2?棺????????????????????絼???

3?棺?÷ι?????????????豸???

4棺?????????

5?棺÷??????У??з?????

??£

1????

2????2-3??

3????????

????????????????????????????????????????????Щ???

??

猫 咪app 成 人 抖 音