A.堅(jiān)硬質(zhì)感B.強(qiáng)直感C.柔韌質(zhì)感D.不易折曲感
A.正?;ú?br/>B.衰亡花材C.失水嚴(yán)重D.衰老花材
A.可松性B.相對(duì)密度C.壓縮性D.相對(duì)質(zhì)量