man-made diamond造句
例句與造句
- In present work , mirror turning is carried out using man - made diamond cutting tool ( pcd ) and ordinary precision lathe , showing important practical value and economical benefit
摘要在普通精密機床上用人造多晶金剛石( pcd )刀具加工出鏡面，具有重要的實用價值和經(jīng)濟意義。 - It's difficult to find man-made diamond in a sentence. 用man-made diamond造句挺難的