grained

Magnetic separation intake purolator, which can avoid metallics and large grained impurity enter into the oil way.

磁力分滤油器，有效防止金属物、大颗粒杂质进油路。

An attempt has been made to follow the scientific and technological steps associated with the production of fine grained hardmetal.

在回顾硬质合金材料历史发展和基础上，重点介绍了在该领域中上海材料研究所取得典型实际成果及工业应用概况。