protective gap保护放电器,保险隙
protectiveadj.保护的;防卫的
protective insulation cover绝缘保护护套层
protective coverings' depth
protective/warm clothing防护/保暖服
Protective enzymes activity保护酶活性
protective relaying setting继电保护整定
Protective enzyme activites保护酶活性
protective grounding system保护接地系统
Protective Vehicle Division保安车辆处
protective under-clothing护身内衣
protective signaling system保安信号系统