电缆竣工交接试验报告中,不包括()参数。 ["直流电阻;","交流电阻;","接地电阻;","绝缘电阻。"]
孔口的收缩系数ε为()。 ["0.62","0.97","0.75","0.64"]
3801L粉碎机能粉碎最大块料直径为()MM ["180MM","200MM","250MM","150MM"]
市场需求预测的内容不包括() ["市场销售渠道预测","市场需求构成预测","消费者购买行为的预测","市场产品需求总量预测"]
《统计管理条例》是由省人大常委会制定的,属于()。 ["统计法律","统计行政法规","统计规章","地方性统计法规"]
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