天空彩票
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使用介绍腐蚀标准色板用于美国D130-04以及我国GB/T5096-91的《石油产品铜片腐蚀试验法》和美国ASTM D3241及我国SH /T0023-90《喷气燃料银片腐蚀试验法》检验用的标准色板。
