单词	rotary digging drill
释义	rotary digging drill 旋挖钻
随便看	natural agents natural agglutination valence natural agglutinin natural aggregate natural aggregation natural aggregation elements natural aging natural aging mouse natural aging test natural aging wine natural-agricultural environment natural agricultural environments Natural agricultural resource natural agricultural resources Natural agriculture natural aids natural air natural air circulation natural air-conditioning natural air cooling natural air cooling system natural air crossing natural air-crossing natural air drying natural air-drying