使用領(lǐng)域 樓梯、室外墻面、室外地面 | The stairs, outdoor metope, ground outdoor

　　巖石特征 結(jié)構(gòu)致密、質(zhì)地堅(jiān)硬、耐酸堿、耐氣候性好 | The compact structure, quality of a material is solid, acid and alkali resistant, weather resistant of good