protective-[医] 保护疗法protectiveadj.保护的；防卫的protective tissues保护性组织protective circuit保护电路protective varnish防护清漆protective stratum保护层protective measure防护措施protective storage防护储存Protective tariffs保护性关税protective program保护程序protective packing保障包装,保护包装protective support保护支具

1. When connecting sources to switching cards, install protective devices to limit fault current and voltage to the card.
   在将信号源连接至开关卡时，请安装保护装置，限制传输至开关卡的故障电流和电压。
2. All shooters should wear protective shooting glasses and some form of hearing protectors while shooting.
   所有射手都应该佩戴射击专用的防护眼镜和某种形式的听力保护装置。