脱位后期的原则应()。
A.活血祛瘀,行气止痛
B.和营生新,接骨续筋
C.补益肝肾,强筋壮骨
D.祛邪活络,缓急止痛
E.除湿止痛,祛风除痹
参考答案:C
A carbon dioxide fire extinguisher should be recharged().
A.at least annually
B.whenever it is below its required weight
C.only if the extinguisher has been used
D.before every safety inspection
下列关于音频控制面板具备的功能说法错误的是:().
A.接听通讯和导航系统音频信号
B.调节接受到的音频信号音量
C.键控麦克风
D.调节音响警告的音量