Design and Research of Hydraulic and Pneumatic System on the Brake System Test-bed of Drilling Rig Drawworks

 
  • 鉆機絞車(chē)剎車(chē)實(shí)驗臺的液壓氣動(dòng)控制系統設計研究
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目錄 附錄 查詞歷史
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