固定管板式换热器当筒体管道的流体温度相差较大时,需要用伸缩接头。
参考答案:对
In my opinion, the beauty of a person should be measured ______ one’s personality rather than one’s appearance.
A.on account of
B.in favor of
C.in terms of
D.by means of
唐代载有针灸学内容的著作有()。
A.《外台秘要》
B.《骨蒸病灸法》
C.《备急灸法》
D.《神应经》
E.《备急千金要方》