稀油密封型干式煤气柜活塞至紧急放散煤气的位置前,可提前放散柜内过剩煤气的放散装置,称为()放散管。
参考答案:安全
Everyone knows it is not right for Taiwan to _____ from China.[ ]
A. break away
B. give away
C. turn away
D. put away
尖端扭转型室性心动过速的病因为().
A.颅内病变
B.心动过缓
C.奎尼丁所致
D.先天性
E.电解质紊乱