plown.犁；耕地vt.耕犁；费力通过；破浪前行vi.耕田；费力前进；辛苦进行plowshare twist犁铧的穹顶plow steel wire铅淬火高强度钢丝plow a field.耕田plowing methods稻草还田plow discharger犁式卸料器plow-in cable直埋式电缆plows curvature犁面曲度plowland number田地数量plow Back profit再投资利润plowing position耕作位置