英语词汇A-certificate是什么意思，A-certificate的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	A-certificate
释义	A-certificate　 n.A级(儿童不宜)
随便看	tantalum emitter tantalum fluoride tantalum lamp tantalum lining tantalum nitride tantalum nitride resistor tantalum oxide tantalum oxide tantalum pentachloride tantalum pentoxide tantalum potassium fluoride tantalum ribbon tantalum sheet tantalum silicide tantalum sulfide tantalum tool alloy tantalum tribromide tantalum trichloride tantalum wire tantalum-foil electrolytic capacitor tantalum-niobium ores tantalumnitrideresistor tantalus tantalus tantalus

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