bulldozer attachment
... bulldozer blade 推土机推土铲,推土机... bulldozer attachment 推土机附件 combined scraper bulldozer 推土铲土联合机...
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推土机双向倾斜附件 bulldozer dual tilt attachment
管子下入管沟后，由侧铲推土机或装有回填附件的拖拉机回填管沟。
Backfilling the trench following the lowering-in of the pipe is carried out by angledozers or backfilling attachments to tractors.
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