Progression of surface treated steel sheet used for motor vehicle in some industrialized countries and in our country in late years is discoursed in this article.

本文综述了近年来世界主要工业化国家以及我国汽车用表面处理钢板的进展。

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All non-check fixture AL details surface should be painted medium blue and steel details surface should be treated for rust prevention.

所有非检测用铝件表面应漆成适中的蓝色。 易生锈的钢制零件应进行表面防锈处理。

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The corrosion resistance of Q235 steel in 10% sulfuric acid and rich liquid was studied after steel was treated through the surface nitridation titanium.

研究了Q 235钢在经表面渗氮化钛处理后，其在10%的硫酸与富液中的耐蚀性能。

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