超微晶 meaning in English

ultracrystalline
ultramicrocrystal

Yueqing zhengda soft magnetic alloy co . , ltd is a high - tech company that mainly produces ultra - crystallite ( nanometer cryst - allite ) material , ultra - crystallite magnetic core , current transformer , zero sequence current transformer , toroidal transformer
乐清市正大软磁合金有限公司，是一家专业生产超微晶（纳米晶）带材，超微晶磁芯，电流互感器，零序互感器，环型电感的高科技、软磁公司。