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֧GJBFJH
ײʽṹɴǿˮ±


֧GJBFJH  

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GJBFJH ײʽṹɴǿˮ±ף

ִб׼

YD/T 1258.4-2005 ڹϵ о

ֵ

о

mm

kg/km

N

 

ѹN

 

뾶mm

̬  ̬

4

7.5

52

210

450

300

1000

10D

20D

6

8.5

70

320

650

300

1000

10D

20D

8

9.5

89

420

850

300

1000

10D

20D

10

10.8

115

600

1200

300

1000

10D

20D

12

12.5

145

600

1200

300

1000

10D

20D

14

11.8

115

650

1300

300

1000

10D

20D

16

12.5

127

750

1500

300

1000

10D

20D

18

12.8

142

1000

2000

300

1000

10D

20D

20

13.3

155

1000

2000

300

1000

10D

20D

22

14.0

167

1000

2000

300

1000

10D

20D

24

14.8

185

1200

2400

300

1000

10D

20D

ע  1.Dֱָ

   2.ɸݿͻӦ

   3.ɸݿͻʹPVCȿͻײϡ


 
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