海词手机词典

Why the coated fiber paper of aromatic polyamide is suitable for the insulation of magnetic-pole coil is analyzed and the paper app lied to the turn-to-turn insulation and pole body insulation of magnetic-pole coils is introduced.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌