yellow varnished insulating cloth
varnished insulating cloth
insulating rapeseed-oil
insulating
绝缘
绝
绝热
保温
隔热
保
中空
接
导电
隔
绝缘围包
绝缘的隔热的
绝缘能力
绝缘清漆
绝缘层
绝缘剂
绝缘变压器
绝缘带
绝缘的
yellow cotton varnished insulating tape
yellow varnished insulating silk tape
cloth and rubber insulating shoes
cloth and rubber insulating boots