单词	drill pipe grade
释义	drill pipe grade 钻杆级别
随便看	horizontal firing horizontal fish finder horizontal fissure horizontal fissure of right lung horizontal fixed position horizontal flail slasher horizontal flange horizontal flange assembly horizontal flaying machine horizontal flexural vibration horizontal flexure horizontal flight horizontal flow horizontal flow basin horizontal-flow basin(tank) horizontal flow chart horizontal flow cooler horizontal flow nozzle horizontal flow sedimentation tank horizontal flow settling basin horizontal-flow settling basin(tank) horizontal-flow settling tank horizontal-flow tank horizontal flow type horizontal flue ztyr ztys ztzh ztzl ztzn ztzr ztzy zu zuan zui 50953 50954 50955 50956 50957 50958 50959 50960 50961 50962