内置过热，电压异常保护电路，使用更安全。
【运输】保护电路【电学】保 护 电 路
protective circuit
暂无补充释义。
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skin: protective clothing, boots/safety shoes, PVC gloves,
oil-resistant and waterproof protective clothing
protective
protective sheath
personal protective equipment【安全】
protective casing of hypodermic syringes
thermo-protective sight glass
discharge tube having screen with conductive, reflective protective layers