The FullBellyProject also has a pedal -powered sheller.

全民温饱计划还有一种是脚踏式的剥壳机。

The sheller generally costs about 50 to 75 dollars to make.

这种去壳机一般只需花费50到75美元制造。

The Sheller generally cost about 50 to 70 (75) dollars to make.

一般来说，一个剥壳机的成本在50到75美元之间。

The sheller generally costs about fifty to seventy-five dollars to make.

一般只要五十到七十五美元就可以制作一台机器。

The paper also suggested an optimal combination scheme for designing corn break-sheller.

提出了最优组合方案，为玉米破糁去皮机的设计提供了依据。