Wear. Any wear exceeding 10% (or as recommended by the manufacturer) of the original section dimension of the hook or its load pin.
磨损。 吊钩截面周长或承载销超过磨损超过10%（或厂家推荐值）。
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。
The utility model discloses a burner used for quenching in hole, in particular suitable for quenching the partial surface flame in pin hole at hook tail of hook of the train.
本实用新型公开了一种用于孔内淬火的燃烧器，特别适用于列车车钩钩尾销孔局部表面 火焰淬火。
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