magnetic recording head造句

例句与造句

1. 1 . cinematography - magnetic stripes and magnetic recording head gaps for sound record on 16 mm motion - picture film perforated along one edge type 1 - positions and width dimensions
   电影技术.单边穿孔16mm电影胶片录音用磁带和磁头缝隙
2. Especially y - ni - 22fe , which have been widely used in industry things such as magnetic record heads , transformers or magnetic shielding materials due to its high permeability , low coercive force and relatively high saturation magnetization
   特别是- ni - 20fe合金，因其较高的磁导率、饱和磁化强度、低的矫顽力而广泛用于磁记录头、变压器和磁屏蔽材料等。
3. It's difficult to find magnetic recording head in a sentence. 用magnetic recording head造句挺难的