单词	Chinese practices
释义	Chinese practices 语文实践
随便看	directional Doppler ultrasound directional Doppler ultrasound,DDU Directional Dose Equivalent directional-downhill method directional drainage directional drill directional drilling directional drilling and towing pipe directional drilling crossing directional drilling method directional drilling mud directional drilling technique directional drilling technology along seam directional drilling traction technology directional drop point directional duality principle directional duration immunization directional dynamics directional earth leakage relay directional earth-leakage relay directional echo sounding directional echo-sounding directional effect directional element directional elements