drill circuit 中文意思是什麼

drill circuit 解釋
練習電路
  • drill : n 1 【軍事】操練，演習；（嚴格而有系統的）盤練，訓練；〈英口〉教官。2 【機械工程】鋼鉆，鉆頭；鉆...
  • circuit : n 1 （某一范圍的）周邊一圈；巡迴，周遊；巡迴路線[區域]；迂路。2 巡迴審判（區）；巡迴律師會。3 【...
  1. We developed the power system of electric drill based on dc - ac. the system use the technique of spwm frequency cowersation control. it changed th d. c provided by trolly wire of d. c motor into stable a. c adopted igbt and driving circuit adopted high speed module of exb840

    針對當前我國煤礦電鉆電源的使用現狀，提出研製dc - ac變換的電鉆電源系統，該電源系統直接利用spwm變頻控制技術，將井下直流電機車的架空線所提供的直流電轉變成頻率是50hz的1 . 27v的穩定交流電。
  2. Finish the pneumatic design of all the functions of hill - drop drill, and produce the pneumatic circuit drawings

    對氣動部分的各種功能進行了設計，並繪制出氣動迴路圖。
  3. Rd auto pinning machine is used to make reference positioning pin prior to drill the laminated plates of etched circuit card on drill machine for etched circuit card manufacture premium products

    Rd全自動釘銷機用於印刷電路疊層板在印製電路板數控鉆床鉆孔前鉆作基準定位銷釘，從面保證印刷電路板數控鉆床能加工出高品質的產品。
  4. （ ddx auto pinning machine is used to make reference positioning pin prior to drill the laminated plates of etched circuit card on drill machine to ensure that the numerical controlled drill machine for etched circuit card can manufacture premium puoducts

    Ddx全自動釘銷機用於印製電路疊層板在印製電路板數控鉆孔前鉆作基準定位銷釘，從而保證印製電路板床能加工出高品質的產品。
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