常见例句Magnetic properties of 2J4 alloy by ECAP is hetter than those by cold rolling, ECAP makes the grain of alloy fined and close to single magnetic domain. 由于ECAP方式使晶粒细化，达到或接近单畴结构，使得2J4合金的磁性能优于冷轧条件下的磁性能。 返回 Hetter