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[问答题,简答题] 采煤工作面至少要有几个安全出口,有什么规定?

仅用于治疗畜禽胃肠道线虫病和绦虫病的是() ["三氯苯达唑","氯硝柳胺","芬苯达唑","地克珠利","托曲珠利"] 化疗类西药宜联用的中药是() ["人参与刺五加","黄芪与女贞子","当归与山茱萸","山楂和大枣","鹿茸与北沙参"] 羰基是指() ["3750~3000cm-1","1900~1650cm-1","1900~1650cm-1;1300~1000cm-1","3750~3000cm-1;1300~1000cm-1","3300~3000cm-1;1675~1500cm-1;1000~650cm-1"] 降血糖类西药宜联用的中药有() ["人参汤","八味地黄丸","济生肾气丸","补中益气汤","加味逍遥丸"] 钻眼前对电钻要进行什么检查? 采煤工作面至少要有几个安全出口,有什么规定?
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