A reciprocating air compressor is running roughly and vibrating excessively, indicating that the ().
A. compressor is overloaded
B. motor is overloaded
C. foundation bolts are loose
D. belts are too tight
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SPS-8WP总风缸压力开关动作试验作试验闭合动作压力();断开动作压力()。
A. 640Kpa;490Kpa
B. 540Kpa;490Kpa
C. 540Kpa;390Kpa
D. 500Kpa;490Kpa
前期物业管理是指从()开始至业主大会选聘物业管理企业为止的物业管理阶段。
A. 开发建设
B. 竣工验收
C. 物业承接查验
D. 业主入住
某患者,男性,55岁,CT发现右肺有直径约3cm大小包块,试举出该患者肺部可能性大的两种疾病,并分别简述其病变特点。
急性鼻窦炎,由于流感嗜血杆菌引起的编码为()
A. J01.9
B. J01.9B95-B97
C. J01.9B96.3
D. B96.3J01.9
E. B96.3