d
a
b
DN1
DN2
a
b
c
d
e
h
h1
h2
1~
3~
DN1
c
e
DN2
487
h
1
h
2
h
727
530
337
270
510
674
152
390
60.0
–
752
346
153
413
72.0
73.0
73.0
73.0
761
170
451
80.0
80.0
–
86.0
972
700
453
370
712
192
516
–
129.0
–
135.0
977
456
199
546
–
161.0
–
171.0
DN 100
DN 80
1048
468
774
716
590
–
190.0
–
199.0
–
211.0