qualitative carbon steel
Precipitation-Hardening Stainless Steel 弥散硬化不锈钢; 沉淀硬化不锈钢 Qualitative Carbon Steel 定性碳钢 Quarter Octagon Steel 四角方钢 ..
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本文着重对萘的热稳定性以及碳钢萘间的相容性进行实验研究。
This paper studied emphatically the heat steadiness of naphthaline and compatibility of naphthaline with carbon steel.
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