血液病患者感染高热时物理降温不能用
A．冰枕
B．冰帽
C．降温床
D．酒精
E．温水
参考答案：D
-----What is your brother like ？-------_______________
A．He is fine, thank you.
B．He is doing his homework now.
C．He is tall and thin.
D．He is a famous doctor.
塑料熔体充满型腔后冷却到脱模温度所需的冷却时间与哪些因素有关？
