The utility model has the advantages that the roller vegetable skewer saves labor and time, has high vegetable hole digging efficiency and simple structure and is economic and practical.
本实 用新型的有益效果是，节省人力和时间，挖菜穴的效率高，结构简单，经济实 用。
Combined with the electric transmission line of East Gansu, this paper discusses the application and economic efficiency of digging foundation.
本文主要是结合陇东输电线路，探讨掏挖式基础的适用情况和经济效益。
According to the basic theory of vibration, the article considers that vibration in the process of excavation can reduce the digging force and improve the energy efficiency greatly.
本文从振动的基础理论出发，认为在挖掘过程中施加切削方向的振动后，能够大大降低作业过程中的挖掘阻力，并提高能量的利用效率。
The partial ventilator in the coal mine is an important equipment in mine digging, its dependability and efficiency affect directly the safety of gas drainage.
局部通风机是煤矿井下掘进过程的重要设备，其使用的可靠性和效能直接影响着瓦斯的安全排放。
So for visiting more customers, for digging out more potential customers, and for promoting working efficiency, I apply for providing car.
为啦可以访问更多地客户，并发掘出更多地潜在客户以及有用进步工作效率特申请购车。
So for visiting more customers, for digging out more potential customers, and for promoting working efficiency, I apply for providing car.
为啦可以访问更多地客户，并发掘出更多地潜在客户以及有用进步工作效率特申请购车。
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