换热器漏油着火如何处理?
参考答案:
立即扑灭火灾并甩掉换热器,降温后查明原因,联系抢修处理,处理好后再正常投用。
— I am gaining weight. I need to see a doctor.
— But I think you eat too much. __________.
A.Neglect(忽视) of health is doctor’s wealth
B.Laugh at your ills, and save doctors’ bills
C.Diet cures more than the doctor
D.An apple a day keeps the doctor away
男性,30岁,自觉门牙松动数月,检查发现:和在正中时正常,前伸运动时有早接触,应磨改()
A.切缘
B.切缘
C.切缘的舌侧面
D.切缘的唇侧面
E.舌侧窝至切缘间的舌侧面