Harness karabiners with conventional catch fasteners show different fatigue resistance over and below the point of actuation by gravity of their catch.
Harness karabiners with conventional catch fasteners show different fatigue resistance over and below the point of actuation by gravity of their catch.
传统制动紧固件的装备岩钉钢环在其制动片(装置)重力作用点以上/下都具有抗疲劳性。