Qinghua-2 (QH-2) is a compound preparation traditional Chinese medicine.
清华2号(QH - 2)为中药复方制剂。
The QH type safety valves are composed of two spring loaded safety valves paralleling. There is only one inlet.
QH型切换阀是两个弹簧式安全阀并联,具有同一进口。
The modeling and scale-up of the QH-1 mini rings are discussed and the application of the packings are illustrated.
讨论了QH-1型扁环填料的数学模型和设计放大,并举例说明了这种填料的工业应用。
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