• The most common method of ditching is done by use of a ditching machine.

    使用挖土机常用挖沟方法

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  • Thus, Calculating the critical rotational speed of the helix ditching machine.

    由此推导出立轴柱形变螺距螺旋开沟临界转速

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  • It also includes removal of tree stumps and roots in the ditch line that would interfere with operation of ditching machine.

    包括清除管沟范围内影响工作树桩树根

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  • The peanut hill-drop planter comprises a push hand, a machine frame, a ditching knife, a ground wheel, a sowing box and a hill-drop wheel;

    穴播包括推手车架滚轮播种穴播轮;

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  • The peanut hill-drop planter comprises a push hand, a machine frame, a ditching knife, a ground wheel, a sowing box and a hill-drop wheel;

    穴播包括推手车架滚轮播种穴播轮;

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