海量图书期刊资源，随时随地畅享阅读乐趣
Metrological service in the struggle for production qualityV. I. Panevnik; P. A. Vosnyak; V. M. Ivantsiv · 1971
Classifying Borehole Jet System DesignsA. V. Panevnik · 2002
Performance curves of a well jet pump during back flushing of the face zoneA. V. Panevnik · 2000