在急性肾衰竭患者少尿期或无尿期，需紧急处理的电解质失调是（） ["高钾血症","低钠血症","低钙血症","高镁血症","低氯血症"]
冷却器EA-403中的载冷剂是（）。 ["软化水","新鲜水","循环水","冷冻液"]
弱磁性矿物的比磁化系数，随时磁场强度增加而（） ["增大","减小","不变","变化不大"]
善于治疗急性腰扭伤的腧穴是（） ["攒竹","承山","太溪","肝俞","膈俞"]
次髂穴的主治病证是（） ["滞产","便秘","丹毒","呃逆","痛经"]
如图所示，工件安装在心轴上，试回答以下问题。
大端面消除哪几个不定度？
