So first open through action; Forced chain; Two-way line actuators; Touch the head; the Lord silver alloy Close connections; Many leaves arcing gate; Arc surface
first open through action; Forced chain; Two-way line actuators; Touch the head; the Lord silver alloy Close connections; Many leaves arcing gate; Arc surface
the connected action which breaking before opening force chain two-way-line actuator main contacts in silver-alloy closing-door connection multi-leaf gate arc arc surface