jumbo boom

常见例句

双语例句

• Now the question is whether we can take the two excavators with your jumbo boom.
  现在的问题是能否用你们的重吊杆搬这两台掘土机。
• The implementation of accurate boom location of drilling Jumbo at the driving place is a key link to improve the drilling-blasting effects.
  在掘进工作面上实现凿岩台车钻臂的准确定位是提高凿岩爆破效果的重要环节。
• The swing-mechanism-parameters of the boom are important for designing operating rigs of drilling-jumbo.
  支臂变幅机构参数，是凿岩台车工作装置设计中的重要参数。
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