drill steel

常见例句

双语例句

• In well-drilling project, corrosion of drill steel and pipeline is ubiquitous phenomena.
  油田钻具和管道系统腐蚀是油田工程中普遍存在的问题。
• In this article, Rock Drill, Drill Steel, Bit and Rock have been carefully studied as a whole system.
  以凿岩机、钎杆、钎头及岩石作为一个整体系统进行了细致的研究。
• The results show: drill steel type "PU-1" has good H2S stress corrosion resistant and weldability, which can be used for structures with high economical profit and society significance.
  对“PU-1”钢和焊缝合金断裂行为的研究结果表明，“PU-1”钻材钢抗H2S应力腐蚀性能和焊接性能较好，应用于结构钢构件具有显著的经济和社会效益。

原声例句

• Soon,the steam drill and other machines replaced the steel-drivers.

权威例句

• The other process, still in use, is to cut a window in an old well's steel casing and then drill horizontally into the oil zone.
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• That could have been a solid steel joint between two sections of drill pipe.
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