binding turns绑: tie up; bind匝: circle; circumference; turn; ...绝缘子: electrical insulator; insula ...线: thread; string; wire绝缘子: [电工] electrical insulator; insulator; arc ring 玻璃绝缘子 glass insulator; 陶瓷绝缘子 porcelain insulator下载手机词典可随时随地查词查翻译