The design and calculation method of small jet stone pump system were discussed in this paper.
讨论了小型射流吸石泵系统的设计计算方法。
Elegantly styled Ming furnishings seem to break free from the jet-black stone in a Michelangelesque sculptural manner.
式样优雅的明朝家具仿佛要从米开朗基罗雕塑式的黑玉石中挣脱出来。
Elegantly styled Ming furnishings seem to break free from the jet-black stone in a Michelangelesque sculptural manner.
式样优雅的明朝家具仿佛要从米开朗基罗雕塑式的黑玉石中挣脱出来。
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