压、低压铠装电缆终端应灌注绝缘材料，户内可采用（）干封。中间接线盒应灌注绝缘胶。
参考答案：环氧树脂
—______ the library?
—It's next to the classrooms. [ ]
A. Where's
B. What's
C. How many
D. How
胸膜摩擦音与心包摩擦音的鉴别要点为
A．有无心脏病史B．患者体质状况C．咳嗽后摩擦音是否消失D．屏气时摩擦音是否消失E．有无发热
