串联数量
02
03
04
长度”A”英寸 [毫米]
6.50
9.75
13.00
[165.1]
[247.7]
[330.2]
铝材重量磅[kg]
8
11
14
[4]
[5]
[74]
钢材重量磅[kg]
17
26
34
[8]
[12]
[15]
