锅炉发生()时,蒸汽温度下降,含盐量增加。 ["满水事故","缺水事故","对流管泄漏","省煤器泄漏"]
一般常见的咀嚼运动的类型中,除外() ["双侧交替咀嚼","双侧同时咀嚼","前牙咀嚼","左侧咀嚼","右侧咀嚼"]
肛膜未破或直肠与肛凹未接通会引起() ["A.消化管闭锁","B.回肠憩室","C.不通肛","D.气管食管瘘","E.先天性脐疝"]
开放发展必须坚持统筹国内国际两个大局的原则,其是在哪次会议上被明确提出来的()。 ["党的十八届四中全会","党的十八大","党的十八届五中全会","党的十八届三中全会"]
卵黄蒂退化不全() ["A.消化管闭锁","B.回肠憩室","C.不通肛","D.气管食管瘘","E.先天性脐疝"]
简述技术战略的类别?