产品名称：承重杆
产品说明：用于通道或踏板的底部支撑。
规格说明：
长度 m
0 . 7
1 . 0
1 . 0 with two couplings
1.5
1.5 with two couplings
2.0
2.0 with two couplings
2.5
2.5 with two couplings
3.0
3.0 with two couplings
