Mastering the Pin and Gauge Technique: A Comprehensive Guide
2023-09-05 12:13:03
pin gauge 英[pin ɡeidʒ] 美[pɪn ɡedʒ] [词典] 销(栓)规 [例句]Some new patterns of downhole tools have been designed and developed, such as two-way shear pin packer, and electronic pressure gauge protecting carrier etc. 研制开发了双通道剪销封隔器、电子压力计保护托筒等一批新型井下工具。
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