hill-drop drill meaning in English

穴播机

Research on boring and caving principle of no - tillage punch hill - drop drill
冲孔免耕穴播机入土成穴原理的研究
Finish the pneumatic design of all the functions of hill - drop drill , and produce the pneumatic circuit drawings
对气动部分的各种功能进行了设计，并绘制出气动回路图。
This paper introduces , on the basis of collecting various data , the design and development of a needle - aspiration hill - drop drill consulting the similar foreign model
本文在收集各种资料的基础上，参考国外相同机型，设计并研制了针吸式打洞穴盘播种机。
This hill - drop drill is characteristic of precision sowing ( one hole one grain ) , high productivity , simple structure , universal purpose , and reliability
其可实现手动播种和自动播种，具有一穴一粒精量播种、生产率高、结构简单、通用性好、工作可靠等特点。