单词	段孔
释义	段孔 Duàn Kǒngsector hole
随便看	brittle nail brittle nails Brittle nails brittleness brittleness and ductility brittleness at high temperature brittleness blue brittleness characteristic brittlely brittle maidenhair brittle maidenhair fern brittle maidenhair ferns brittle maidenhairs brittle material brittle-material brittle material containing multiple holes brittle materials brittle materials tensile-strength tester Brittle matrix composite brittle media brittlement brittle metal brittle metals brittle meterial structural model experiment brittle mica