马铃薯挖掘机 meaning in Chinese

potato lifter
potato raiser with throwing forks

Combined separation type potato digger
组合分离式马铃薯挖掘机设计与研究
The main beam of type 4sw - 40 potato digger easily engenders crack or breaking damage in the practical application . therefore , by means of modern test technology , the paper does some research on the vibration of the separating sieve and its influence on dynamic load of the main beam under the condition of laboratory
4sw ? 40型马铃薯挖掘机在实际生产中主粱易出现裂纹或断裂破坏。为此，本文提出在实验室条件下，利用现代测试技术，就分离筛的振动及其对主梁的动载作用作研究。