光合磷酸化
钻机的主变压器为()变压器。 ["电力","电源","调压","电压"]
产妇足月顺产第4日,母乳喂养,乳房胀痛,无红肿,乳汁排流不畅,体温37.9℃。首选处理方法() ["抗生素治疗","生麦芽煎服","停止哺乳","新生儿频繁吸吮双乳","少喝水"]
对于基础体温测定方法,下列哪项是错误的() ["每晚睡前将体温表水银柱甩至36℃以下","置于伸手可取的地方","测定前不讲话,不活动","测口腔温度1分钟","测得结果逐日记录于基础体温单上"]
电阻的单位是()。 ["伏特","安培","欧姆","r\/mi"]
机械弯曲时,弯曲点线与心轴有什么关系?