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.
属于农业机械的花生玉米点播机，在开有五个型孔的滚轮上分别安有五个带有活舌的管式开穴铲和型孔盒。
The utility model relates to a wheeled peanut and corn seeding machine, which belongs to the peanut and corn dibbling machine of the agricultural machine.
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