tǒng jiē
- shell ring
- shell course
- cylindrical shell section
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expansible,
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相似单词
筒仓,
筒单地震仪,
筒灯,
筒管,
筒夹,
筒节,
筒裙,
筒式仓,
筒式防喷器,
筒式过滤器,