脑血栓急性期治疗，不正确的是（）
A.溶栓治疗
B.迅速降低血压
C.抗凝治疗
D.脑代谢活化剂
E.防治脑水肿
参考答案：B
Which portable fire extinguisher is normally recharged in a shore facility?（）
A.Dry chemical (cartridge-operated)
B.Water (cartridge-operated)
C.Water (pump tank)
D.Carbon dioxide
简述沟灌的优点？
