当锅炉汽压低于蒸汽母管压力()时,缓慢开启主汽阀,进行锅炉并汽操作。 ["0.02~0.05MPa","0.05~0.06MPa","0.1~0.2MPa","0.08~0.09MPa"]
预防非甾体抗炎药所致消化性溃疡首选药物是() ["硫糖铝","胶体铋","米索前列醇","阿莫西林","以上都不对"]
建筑物的正面或广场上种植物时多以规则方式种植,这用的是() ["和谐统一性","比例的协调性","均衡的稳定性","韵律节奏的流动性"]
蒸汽吊车在运转中,轴瓦的温度一般不应超过()℃。 ["50","70","80","100"]
主治肝肾阴虚,肝气郁滞证的方剂是() ["大补阴丸","一贯煎","百合固金汤","地黄饮子","六味地黄丸"]
天然气