They are further secured with a hitch pin for extra safety.
他们更进一步被为额外的安全以一个猛拉大头针保护。
Hook: hitch the pin on the feeder when damping the cargo to prevent the feeder from peeling.
锁钩:倾倒货物时钩住料斗上的销轴,防止料斗脱落。
Hook: hitch the pin on the feeder when damping the cargo to prevent the feeder from peeling.
锁钩:倾倒货物时钩住料斗上的销轴,防止料斗脱落。
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