Among those factors which affect the ground mobility of paddy-field machine, characters of paddy-field soil are the most complicated and unmanageable.

在对水田机械机动性有影响的诸因素中，以水田土壤的性质最复杂和最难掌握。

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You wouldn't take a machine out into the field without putting oil in it.

NPR: Teen Farmworker's Heat Death Sparks Outcry

The dustiness off line means we should also keep our eye out for the safety car, especially because the inexperience of the marshals here means that the FIA are more likely to send out Bernd Maylander and his machine to slow down the field.

BBC: Indian Grand Prix as it happened

Each machine performed the work of 50 field hands.

ECONOMIST: The Delta region