dǎng quān
- check ring
- retainer ring
- stop collar
- detent ring
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dithranol,
dithymoldiiodide,
dithyramb,
dithyrambic,
ditissimus,
dititanate,
ditokous,
ditolamide,
ditolyl,
ditophalo,
相似单词
挡泥垂布,
挡泥片,
挡片,
挡墙,
挡球网,
挡圈,
挡热板,
挡水板,
挡土墙,
挡网,