?>>?>>
?2017127???
?? 2017-12-07 ? ? ? ?

????20171271?????????????????2017127?20171213?5?

?????????????????????0479-4239631         0479-4239631????         ??027200

                    

 

 

 

 

 

 

 

 

 

 

 

 

 

 

?????

 

?

?

T?

??

??

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

    1

??????

???

???

͢?????2706?

???????????11???48m2??24m2?2???50m315m31?????Q235b?117m2??36005200 V=50m3118002200 V=5m312?55m3?0.85???????46.75m3???0.79?2??37t??21?260m3?220m3??????????300m2???100???27.2?????27.2%

 

1???

????????????????GB8978-1996???????GB/T31962-2015????????1????Ǵ???????

2??

????????????????????????????????????????????????????????????????????????GB16297-19962????

3??

????????y?????????????????????????????GB1234820083??

4??

????????