built in fuse
内置保险丝
以上为机器翻译结果，长、整句建议使用 人工翻译 。
DC power Input, built-in fuse.
直流电源输入，内置保险丝。
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Louis, Missouri, for example, managers have cut costs 50% while finding new growth in the dying electrical fuse business (most new homes are built with circuit breakers, not fuses).
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