钢梁在集中荷载作用下，若局部承压强度不满足应采取的措施是()。
瓶阀冻结时可用（）热水解冻，严禁火烤。 ["100℃","80℃","40℃","20℃",""]
使用乙炔气瓶时，瓶阀开启不要超过（）圈。 ["1/2","1.5","2","2.5",""]
一中年男性背部生疖未愈，继而四肢、腰背等处肌肉疼痛，局部漫肿微热．皮色不红，伴寒战高热、口渴、头痛。宜诊断为（） ["暑疖","疖病","痈","流注","流痰"]
氧气瓶和乙炔瓶内气体不能全部用尽，应留有余压（）MPa。 ["0.05～0.1","0.1～0.3","0.3～0.5","0.5～1",""]
支承加劲肋应验算的内容是()、()、()。
