保护装置

protective gear的用法和样例：

例句

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。
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。

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