Doors used in a wide cone Angle and a unique locking pulley set structure, and the clutch drive handle configuration, operation of scientific and reasonable.
内门扇采用锥角宽滑轮和独特的锁定构置，以及离合式传动执手配置，操作科学合理。
Doors used in a wide cone Angle and a unique locking pulley set structure, and the clutch drive handle configuration, operation of scientific and reasonable.
内门扇采用锥角宽滑轮和独特的锁定构置，以及离合式传动执手配置，操作科学合理。
应用推荐