|
工程类型
T（摄氏度） 直径 |
室外架空
|
室内架空
|
||||||
|
100
|
150
|
200
|
250
|
100
|
150
|
200
|
250
|
|
|
15
|
30
|
30
|
40
|
50
|
30
|
30
|
40
|
50
|
|
20
|
30
|
40
|
40
|
50
|
30
|
40
|
40
|
50
|
|
25
|
30
|
40
|
50
|
60
|
30
|
40
|
40
|
50
|
|
30
|
30
|
40
|
50
|
60
|
30
|
40
|
50
|
50
|
|
40
|
30
|
40
|
50
|
60
|
30
|
40
|
50
|
60
|
|
50
|
40
|
50
|
50
|
60
|
30
|
40
|
50
|
50
|
|
65
|
40
|
50
|
60
|
70
|
40
|
50
|
60
|
60
|
|
80
|
40
|
50
|
60
|
70
|
40
|
50
|
60
|
70
|
|
100
|
40
|
50
|
60
|
70
|
40
|
50
|
60
|
70
|
|
125
|
50
|
60
|
70
|
80
|
40
|
60
|
70
|
80
|
|
150
|
50
|
60
|
70
|
80
|
50
|
60
|
70
|
80
|
|
200
|
50
|
60
|
80
|
90
|
50
|
60
|
70
|
80
|
|
250
|
50
|
70
|
80
|
90
|
50
|
60
|
80
|
90
|
|
300
|
50
|
70
|
80
|
90
|
50
|
70
|
80
|
90
|
|
350
|
60
|
70
|
80
|
100
|
50
|
70
|
80
|
90
|
|
400
|
60
|
70
|
90
|
100
|
50
|
70
|
80
|
100
|
|
450
|
60
|
70
|
90
|
100
|
50
|
70
|
80
|
100
|
|
500
|
60
|
70
|
90
|
100
|
60
|
70
|
90
|
100
|
|
600
|
60
|
80
|
90
|
100
|
60
|
700
|
90
|
100
|
