Intrinsical safety of products is the important guarantee of improving Labour conditions and raising safety standards of human society.
产品的本质安全化，是改善劳动条件，提高全社会安全水平的重要保障。
Intrinsical safety of products is the important guarantee of improving Labour conditions and raising safety standards of human society.
产品的本质安全化，是改善劳动条件，提高全社会安全水平的重要保障。
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