木材传声性 acoustical conductivity of wood 木材脆性 brashness of wood;brittleness of wood 木材弹性 elasticity of wood;elastic property of wood ..
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木材传声性 acoustical conductivity of wood 木材脆性 brashness of wood;brittleness of wood 木材弹性 elasticity of wood;elastic property of wood ..
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... wood is 伍德群岛 brashness of wood brittleness of wood 木材脆性 fireretardant wood (= fireproof wood) 防火木材 ...
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脆性木材 [木] brashy wood
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