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Вопросы с выбором ответа (3 балла за участие, 8 баллов за правильный ответ)

2016-10-17View Original

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В стандартах гигиены предприятий нашей страны установлена максимально допустимая концентрация сульфида водорода — ( ) мг/м3 воздуха. А、10 Б、20 В、30 Г、40 А

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