box drill 中文意思是什麼

box drill 解釋
四對四練習
  • box : n 1 箱,櫃,匣,盒;罩殼;錢櫃;〈美口〉保險箱;郵箱,信箱;〈英國〉禮盒;禮物(旅行用)衣箱。2 ...
  • 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...
  1. Meixing electronics factory is major in the vacuum tube stereo power amplifier, which is located in the nanhai city , owned a workhouse over 1300 square meter, with five plant, they are box, seal and transformer circling 、 debugging & check, we also have the machine process, such as milling machine 、 punch 、 drill press 、 electric welding 、 matrix 、 incision machine, and radio tube test machine. we have realize the product line manufacture, the monthly whole output is over 200 sets

    美星電子是一個專業製造真空管身歷聲功率放大器的加工廠,位於廣東南海市黃岐工業區,擁有廠房一千三百平方米,工廠分機箱加工、焊接組裝、變壓器繞制、煲機老化、調試檢測五個車間,機械加工設備擁有銑床、沖床、創床、鉆床、電焊、模具製作、切割等二十多臺,電子管及整機檢測調試儀器十餘臺,該廠實現了配套設備、流水作業,每月可生產膽機二百臺以上,可謂中國專業生產膽機最大規模的工廠。
  2. If there is no over burden at the river bed, the steel pipe pile cannot be inserted, the floating platform will be adopted, during overwater construction, the author ( using zhong - 60 floating box, etc. ) assembled 40t floating crane by his own design, in this way, the floating crane completed the work of overwater transporting and lifting, such as the transporting of s teel pipe pile, inserting, the erecting of overwater construction platform, overwater moving of drill grid crane, lifting of lifting box of cushion cap, pulling out of steel pipe pile

    在水上作業中,作者利用中- 60浮箱等設備自行設計、拼制了40t浮吊,完成了水上運輸、水上起重等作業,如鋼管樁的運輸、插打、水上施工平臺的搭設、鉆機吊車的水上轉移、承臺吊箱的起吊、鋼管樁的拔除等作業。
  3. The only way to open the box is to drill it open

    唯一打開的辦法就是鉆開箱了。
  4. Abstract : through the practice of vertical pressers in long sp an continuous box - girder and the research of two - way prestress model test, the construction technology about unbonded vertical prestress is proposed and applie d in hanjiang bridge in hanchuan. for the first time, it ? s first adopted in long span concrete bridge in our country and a lot of economic benefits are created b ecause of its advantages such as little drill way, rapid and imple construction, h igh quality and so on

    文摘:通過漢川漢江公路大橋大跨徑連續箱梁豎向預應力施工實踐和雙向預應力模型梁試驗研究,在該橋施工中提出並應用了無粘結豎向預應力技術.這在國內大跨徑砼橋樑上尚屬首次全面採用,它具有孔道直徑小,施工簡便快速,質量易於保證等優點,為全橋預應力施工創造了較為顯著的社會經濟效益
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