This filtration system is lightweight with negligible air flow resistance and is integrated into the nose mask which is connected to a pocket size control system via a connection cable.
该过滤系统重量较轻，气流阻 力可以忽略，且与通过连接线与小型控制系统相连的鼻罩融为一体。
2
The roof is composed of two crossed arches on the ground and two-saddle unsymmetrical cable-net, on which there is lightweight roof sheathing.
屋盖由落地交叉拱与两个不对称的鞍形曲面索网组成，上铺轻质屋面板。
3
Hollow structure arms, wrists, welding cable built-in, available in a narrow space welding operations, lightweight, compact structure.