tilling造句
Ihavedecidedtoadoptthemethodoftillingdeeplywithtwinplows.Iamrepairingtheploughtogetpreparedfortillingnextyear.Theperiodicchangeofrunoffanderosionoccurredafterthetillingoperationandthecuttingofgrass.He...
Ihavedecidedtoadoptthemethodoftillingdeeplywithtwinplows.Iamrepairingtheploughtogetpreparedfortillingnextyear.Theperiodicchangeofrunoffanderosionoccurredafterthetillingoperationandthecuttingofgrass.He...