圆锥破碎机空载试车正常运转时间不应小于1小时。
参考答案:错
A ______ person always tries to finish the job, no matter how hard it is.
A.stubborn
B.determined
C.reliable
D.remarkable
患者证见失眠,梦遗健忘,口舌生疮,大便干结,舌红少苔,脉细数者,治疗方剂可选用
A.酸枣仁汤B.天王补心丹C.朱砂安神丸D.归脾汤E.左归丸