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Newly developed fire resistant steels improve their elevated-temperature strength, thus reducing fire-resistant coating.
耐火钢提高了钢的高温强度，从而减少了防火涂层。
youdao
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Newly developed fire resistant steels improve their elevated-temperature strength, thus reducing fire-resistant coating.
耐火钢提高了钢的高温强度，从而减少了防火涂层。
youdao