金刚砂
jīngāngshā
金刚砂 — jīngāngshā
- carborundum; emery (an abrasive, often silicon carbide)
金刚砂常用于制作砂纸和砂轮。 jīngāngshā chángyòng yú zhìzuò shāzhǐ hé shālún — Carborundum is commonly used to make sandpaper and grinding wheels.
jīngāngshā
金刚砂常用于制作砂纸和砂轮。 jīngāngshā chángyòng yú zhìzuò shāzhǐ hé shālún — Carborundum is commonly used to make sandpaper and grinding wheels.