3. Use no halogen cleanser for insulation material and smeary seriously components. 对绝缘材料和严重污染的元件,用无卤清洁剂。
英英解释
n.
1. the state of being isolated or detached
2. a material that reduces or prevents the transmission of heat or sound or electricity
3. the act of protecting something by surrounding it with material that reduces or prevents the transmi