螺丝式桁架
雷亚架(layer-truss)
详细说明：
名称：网架,又名背景架
说明：
网架由立柱,水平连接管,斜支撑,主柱连接管,可调节底座5部分组成.
构造简单,使用灵活,可牢固可靠,经济实惠
可采用特殊工艺,让网架一百年不生锈
适合大型户外演出活动
水平管 2M/条
斜支撑 2.5M/条
立柱 2M/条
nformation：
Name:combined truss also can be called layer truss
Description:its composed with pillar,horizontal unit pipe,support pipe,adjustable basement.its main characteristicis easily to be assembled,large capacity and wide useful.it main be used as lifting audio light and advertisement picture,it also can be used as a runing work platform.
(湘鄂渝)郭 旭