泵管是混凝土输送泵管的简称，是一种新型的建筑工程配件产品，分为车泵管和地泵管。
必须建立真空泵管理标准和条件必须定期管理设备状态。
Vacuum pump management standard must be established and the equipment condition must be managed periodically according to the criteria.
泥泵管道特性的计算问题，国内外文献通常采用的公式误差较大。
The formulae for the calculation of the characteristics of the slush pump pipelines adopted in the documents both abroad and at home often result in great errors.
本实用新型涉及一种旋转式混凝土泵管接头，属流体的输送装置。
The utility model relates to a rotating concrete pump tube joint, which belongs to fluid transmission device.
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