通徑
（DN)

設(shè)計(jì)
長(zhǎng)度
L

最大
長(zhǎng)度
Lmax

最小
長(zhǎng)度
Lmin

D

D1

Z-d

H

H0

A

B

Wt/kgs

50

150

163

138

165

125

4-18

82.5

400

180

65

17

65

170

188

158

185

145

4-18

92.5

400

180

65

19

80

180

192

160

200

160

8-18

100

410

245

72

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