roof supports 中文意思是什麼

roof supports 解釋
罐頂桁架
  • roof : n 1 屋頂，房屋；家屋。2 （放行李的）車頂；笠形罩。3 上頜。4 最高部，頂部；【礦物】頂板。5 【航空...
  • supports : 桿柱bolt
  1. The porch roof was lifted 6 inches off its supports.

    走廊頂蓋從支架上掀起約6英寸。
  2. Machines for underground mines - safety requirements for hydraulic powered roof supports - power set legs and rams

    地礦機械.液壓礦頂支撐物的安全要求.動力裝置支腳和沖壓件
  3. Practice on drilling blasting mining replaced by caving mining with light hydraulic supports in soft roof, soft coal and soft floor seam

    煤層中炮采改為輕放開採的切眼支護實踐
  4. Machines for underground mines - safety requirements for hydraulic powered roof supports - part 1 : support units and general requirements ; german version en 1804 - 1 : 2001

    地下采礦機械.液壓護頂支撐物安全性要求.第1部分:支
  5. Machines for underground mines - safety requirements for hydraulic powered roof supports - support units and general requirements

    地下采礦機械.液壓礦頂支撐物的安全性要求.支撐裝置及一般要求
  6. There are two large wooden supports that hold up the roof

    有兩根大木柱支撐著房頂。
  7. Machines for underground mines - safety requirements for hydraulic powered roof supports - part 2 : power set legs and rams ; german version en 1804 - 2 : 2001

    地下采礦機械.液壓頂棚支撐安全性要求.第2部分:動力
  8. Machines for underground mines - safety requirements for hydraulic powered roof supports - part 3 : hydraulic control systems ; german version en 1804 - 3 : 2006

    地下采礦機械.液壓頂棚支撐安全性要求.第3部分:液壓控
  9. Machines for underground mines - safety requirements for hydraulic powered roof supports - part 2 : power set legs and rams

    地下采礦用機械.液壓動力的礦頂支撐物的安全性要求.第2部分:動力支架和推桿
  10. Machines for underground mines - safety requirements for hydraulic powered roof supports - hydraulic control systems

    地礦機械.液壓礦頂支撐物的安全要求.液壓控制系統
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