t
c
t
1
t2
D
N
1
D
N
2
h
1
h
2
s
2
n
2
h
a
n1
s1
DN1
DN2
a
c
h
h1
h2
t
t1
t2
n1
n2
S1
s2
1~ 3~
11⁄4"
1"
93 255
447
501
528
474
501
555
602
474
501
548
41
132
186
213
159
186
240
267
159
186
213
242
113
129
143
146
14.5
10
23.3 23.3
25.5 25.5
27.3 27.3
23.8 23.8
25.2 25.2
28.3 28.3
– 28.6
26.6 26.6
27.0 27.0
– 29.4
517