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螺纹
HSK7-9n 0 · Lv.1
luówén
vân tay; chỉ tay
screw thread; thread (of a screw) [ 相关词条 ] 螺纹车床 [名] screw cutting lathe 螺纹刀具 [名] threading/screw tool
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vân tay; chỉ tay
screw thread; thread (of a screw) [ 相关词条 ] 螺纹车床 [名] screw cutting lathe 螺纹刀具 [名] threading/screw tool