钢轨裂纹 rail cracks 轨头发裂 head checks ；hair crack of rail head 轨底崩裂 burst of rail base；burst of rail bottom ； broken rail base ..
基于44个网页-相关网页
... hair-line crack 发线裂痕 hair crack of rail head 轨头发裂 hair crack, hair check 细裂 ...
基于44个网页-相关网页
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head checks
hair crack of rail head
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