• 1. tree planting machine: 植竖 | 植树机
• 2. the tree planting machine: 植树机

• 1.Based on the machine development, a research and analyses of auger drill bits with different kinds of drill tips and soil cut blade angles were carried out in tree planting field.
  在设备研制成功的基础上，对钻孔机钻头不同钻尖、不同切土刀刃角进行了实地试验研究和分析。
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