“钻具故障”的概念、定义、翻译、参考文献-科学参考

单词	钻具故障
释义	钻具故障 Encyclopedia 工学钻井复杂事故种类释 drilling string trouble钻具故障在钻井施工过程中，井下钻杆、钻铤等钻具因疲劳破坏、腐蚀破坏、机械破坏或事故破坏，造成的机械性能发生改变，发生断脱、断裂、刺穿等现象。
随便看	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 projection projection angle projection band projection chain map projection chart projection-complete subspace projection cone projection constant projection correlation projection difference projection-difference method projection display equipment

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。