电工陶瓷 meaning in Chinese

electroceramics
electrotechnical ceramics

Ceramic components for electrical purposes ; form tolerances
电工陶瓷件.形状公差
Ceramic components for electrical purposes ; admissible tolerances
电工陶瓷件.容许公差
Ceramic components for electrical purposes ; mounting places for insulators ; grooving
电工陶瓷件.绝缘子安装部位.开槽
Ceramic components for electrical purposes ; mounting places for insulators ; undulatory profile
电工陶瓷件.绝缘子安装部位.皱纹面
Ceramic components for electrical purposes ; mounting places for insulators ; sanded surfaces
电工陶瓷件.绝缘子的安装部位.砂磨表面