Study shows that quenched boron eutectic structure possesses the excellent wear abrasion property.

研究表明：硼共晶组织经淬火后，具有优良的抗磨粒磨损性能。

The high chromium white cast iron was carried on wear abrasion test under different loads on the testing machine.

对不同载荷作用下的高铬铸铁在耐磨实验机上进行了磨料磨损试验；

The wear abrasion and ageing of contact is one of the important factors which affect the electromagnetic relay reliability.

电磁继电器触点的磨损和老化是影响继电器可靠性的重要因素之一。