mast hole 中文意思是什麼

mast hole 解釋
甲板桅孔
  • mast : n 桅；柱，竿，天線桿，天線塔；（停飛船的）栓柱。 ★三桅船從船頭起依次為 foremast 前桅， mainmast ...
  • hole : n 1 洞，穴，孔；（衣服等上的）破洞；傷口；漏洞；窩，坑；水流的深凹處，（河道的）緩流窪。2 （獸的...
  1. The distance of the single - row curtain grout hole is between 1. 4 to 1. 8 meter, and 2. 0 meter is suitable for the double - row curtain ; the grouting pressure generally is 1. 0 to 1. 5 mpa at the first three grout compartment, then grouting pressure of under the fourth control in 4 to 5 mpa ; for mast grout compartments, a water - cement ratio of 2 or 1 may used in the first grouting

    鉆孔密度也由原來的0 . slm / mz降至o . 64n擴mz ，節約工程投資447 . 35萬元。 6 、單排帷幕的孔距在1 . 4一1 . 8m之間，雙排帷幕的孔距以zm為宜;灌漿壓力在地表以下前三段一般為1一1 . smpa ，第四段以下按4一smpa控制;對大部分孔段而言，開灌水灰比可定為2或1 。
  2. 3 a set of front - mounted adjustable columns on drill frame is used for adjusting height of mast front - end, which makes it easy to align with hole site

    3鉆機機架前部設有上下調節立柱及哈夫，可調節桅桿高低國家專利： zl02264791 . 0 ，施工時對孔位快捷方便。
  3. 3 a set of front - mounted adjustable columns on drill frame is used for adjusting the height of mast front - end, which makes it convenient to align with hole site

    3鉆機機架前部設有上下調節立柱及哈夫，可調節桅桿高低國家專利： zl02264791 . 0 ，施工時對孔位快捷方便。
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