grained

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

磁力分离吸口滤油器，有效的防止金属物、大颗进油路。

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

顾硬合金材料的历史发展和现状的基础上，重点介绍了该领域中上海材料研究所取得的典型实际成果及工业应用概况。