The plug issues of concrete pumping line.
混凝土输送管在泵送时堵塞问题的探讨
Fracture feature of tube line in pumping unit well
抽油机井油管柱断裂失效特征分析
The Itinerant Monitor System of Pumping Oil Well Based on Power Line Carrier
基于电力线载波的抽油机井巡回监测系统
Better cutting conditions, have a good cutting surface, pumping stretching rod, line.
更好的切削条件，有良好的切削表面，抽伸棒，线。
A line of oils and balsamic vinegar is available in containers that dispense the product with a unique pumping action.
一排油和醋可在容器的产品，免除了一个独特的抽水行动。
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