“keyseat reamer”的概念、定义、翻译、参考文献-科学参考

单词	keyseat reamer
释义	keyseat reamer Encyclopedia 工学井下工具释 keyseat reamer键槽扩大器连接于钻铤上方，用于破坏井身键槽，使钻铤免于键槽卡钻的装置。又称键槽破坏器。
随便看	projectile like fragment projectile-like fragment projectile motion projectile nucleus projectile penetration projectile penetration experiment projectile target combination projectile-target combination Project Information Management project information portal projecting projecting and illuminating system projecting cone projecting cylinder projecting figure projecting line projecting model projecting plane projecting technique project institutional environment project integrated management project integration management project interface project internal rate of return assessment method project internet environment

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