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Una pregunta por día, la respuesta correcta será recompensada con 6 riquezas y el participante será recompensado con 2 riquezas.; 19 de junio

2016-06-19View Original

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Preguntas de opción múltiple: Cuando se utiliza el muestreo de conversión VCM con el método de carburo para determinar la pureza del cloruro de vinilo, la fuga de gas del tubo de muestreo hará que la pureza medida del cloruro de vinilo sea inferior al valor real ( ). A. Alto B. Bajo C. Misma respuesta: Explotar
Reply #22016-06-20
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