A.取用方便 B.隔音、隔熱 C.防腐、防火 D.施工簡單
A.木纖維13-18% B.木直部薄壁細(xì)胞為0-2% C.木直線組織為12-50% D.導(dǎo)管為2-65%
A.顏色淡黃 B.木理通宜,木質(zhì)細(xì)密 C.耐蟲蟻 D.屬針葉木