金刚石

rén zào jīn gāng shí

人造金刚石

synthetic diamond

jīn gāng shí lún zi

金刚石轮子

diamond wheel

yī kē jīn gāng shí

一颗金刚石

a diamond

nèi dù gōng yì shì yī zhǒng xīn de jīng mì jīn gāng shí jiǎo dāo de zhì zào fāng fǎ

内镀工艺是一种新的精密金刚石铰刀的制造方法。

Electroplating process in holes is a new technique for precise diamond reamer manufacturing.