cut-off fuse
切断保险丝
以上为机器翻译结果，长、整句建议使用 人工翻译 。
To avoid fire, this product should be provided with 220v, 1a standard fuse. Before replacing fuse, cut off power and load.
为避免火灾，本仪器指定的标准保险丝规格是220v、1a，更换保险丝前，切断电源和负载。
youdao
Is the plug in properly? Has the power supply been cut off? Has the fuse broken?
插头是否正确？电源切断了吗？保险丝是否完好？
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