gray corrosion 中文意思是什麼
gray corrosion
解釋
灰色斑點-
Is a hard, brittle, corrosion - resistant, gray to white metallic element extracted from wolframite, scheelite, and other minerals, having the highest melting point and lowest vapor pressure of any metal
顏色呈灰色或棕黑色,硬度高,延性強,熔點極高,常溫下不受空氣侵蝕主要用途是製造燈絲和高速切削合金鋼,各種鎢電極,也用於光學儀器,化學儀器方面。 -
Gray relational analysis for main factors of corrosion in wen - 1 sewage treatment plant
灰關聯分析法研究中原油田文一污水的腐蝕因素
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