safety critical component
... 练习：电路识别+绝缘类型+绝缘距离Exercise: Recognized circuit 7.安规器件Safety Critical Component 8.安规测试Safety Test ...
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safety critical component
安全关键部件
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Social work has been known as the helping profession for over a century and during that time has been an essential component of the social safety net, guiding people to critical resources, counseling them on important life decisions, and helping them reach their full potential.
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