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[问答题,简答题] 各种防雷接地装置的工频接地电阻最大值是多少?

患者,男,40岁,昨夜受凉,今日突然呕吐,呕吐物多为清水痰涎,胸脘满闷,不思饮食,头眩心悸,苔白腻,脉滑。若病人兼气滞腹痛宜加() ["A.白蔻、砂仁","厚朴、苍术","大黄、栀子","吴茱萸、陈皮","川芎、香附"] 患者,男,40岁,昨夜受凉,今日突然呕吐,呕吐物多为清水痰涎,胸脘满闷,不思饮食,头眩心悸,苔白腻,脉滑。首选方剂为() ["A.保和丸","益胃汤合橘皮竹茹汤","香苏散合良附子丸","藿香正气散","小半夏汤合苓桂术甘汤"] 患者,男,40岁,昨夜受凉,今日突然呕吐,呕吐物多为清水痰涎,胸脘满闷,不思饮食,头眩心悸,苔白腻,脉滑。治法为() ["A.温化痰饮,和胃降逆","除湿化痰,理气和中","温胃散寒,行气止痛","疏肝理气,和胃降逆","温中散寒,降逆上呃"] 患者,女,48岁,近2年来情绪易于激动,常因情绪不舒出现呕吐,1天前再次发作,症见呕吐吞酸,时有嗳气,叹息,胸胁胀满,舌红,脉弦。若病人兼心烦口苦咽干,舌红,可合用() ["A.龙胆草、黄芩、栀子","川楝子、郁金、香附","左金丸","乌贼骨、瓦楞子、吴茱萸","越鞠丸"] 患者,女,48岁,近2年来情绪易于激动,常因情绪不舒出现呕吐,1天前再次发作,症见呕吐吞酸,时有嗳气,叹息,胸胁胀满,舌红,脉弦。首选方剂为() ["A.柴胡疏肝散加减","越鞠丸和枳术丸加减","五磨饮子加减","四七汤加减","藿香正气散加减"] 各种防雷接地装置的工频接地电阻最大值是多少?
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