短语词组短语perlitic pumice 珍珠浮石perlitic range 珠光体区域perlitic transformation 珠光体转变perlitic steel 珠光体钢perlitic wallboard 珍珠岩夹芯墙板perlitic structure [地质]珍珠构造;珍珠岩结构;珠光体结构perlitic ferrite 珠光体型铁素体perlitic texture 珍珠结构perlitic c 珍珠状的 返回 perlitic