刚砂 刚玉砂 金刚砂 天然刚玉 宝砂

emery  detail>>

金刚砂，刚玉

corundum  detail>>

天然刚玉

naxas emery  detail>>

天然金刚砂

boart  detail>>

刚玉砂

emerite emery esmeril pulverized corundum  detail>>

刚玉宝石

barklyite  detail>>

金刚砂

corundum; silicon carbide; emery; emery powder; carborundum; [材料] amorphous carborundum; carborundum...  detail>>

刚玉砂布

corundum cloth  detail>>

刚玉砂布带

emery fillet  detail>>

刚玉砂层

emery sand  detail>>

刚玉砂带

emery fillet  detail>>

刚玉砂轮

corundum grinding wheel corundum wheel emery wheel  detail>>

刚玉砂磨床

emery grinder emery grinding machine  detail>>

刚玉砂纸

carborundum-paper emery paper  detail>>

金刚玉

emery grains  detail>>

刚石粉；刚玉粉；宝砂

emery  detail>>

研磨用刚玉砂

rubbing emery  detail>>

海南天然刚玉首饰有限公司

hainan natural corundum factory jewelry co., ltd  detail>>