空调季节运营期间对于影响供冷时间不超过()分钟的设备检修作业,可以安排在上午客流较少的时间内进行。
参考答案:30
Mr. Smith doesn’t like all that empty talk between Susan and Joan, which he thinks will definitely get them ________.
A.anywhere
B.anything
C.nowhere
D.nothing
心室舒张末容积的大小可反映肌小节()。