吊装作业过程中解、挂钩的作业要求?
按细胞形态学方法对贫血分类,下列哪项不属于() ["小细胞低色素性贫血","大细胞性贫血","正常细胞性贫血","小细胞性贫血","大细胞高色素性贫血"]
錾子刃部经()处理。 ["回火","退火","淬火","高温回火"]
KRC12*29型环锤式碎煤机排料大于规定粒度明显增加原因及排除方法说是什么?
孕妇34岁,GP,停经32周,头痛,视物模糊2天,今晨头痛加剧,恶心,呕吐3次,就诊时突然牙关紧闭,双眼上翻,面部肌肉抽动,四肢肌肉强直,随后剧烈抽搐,约1分钟渐清醒,测血压195/120mmHg,胎心120次/分。否认癫痫发作史。孕妇可能的诊断为()。 ["A.脑出血","高血压危象","子痫","癔病","癫痫","糖尿病酮症酸中毒","低血糖昏迷"]
进行高空作业的安全程序?