cylindrical insulator筒: a section of thick bamboo形: form; shape绝缘: insulation; isolation; insul ...绝缘套: insulating bush; insulation covering; lagging; wrapper保温套, 绝缘套: insulating sleeving下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:筒形绝缘套，即可在微信中查询翻译
