aall relevant parts of this application form must be completed and in the applicant`s own handwriting 在申请人`s必须完成这张申请表的所有相关部分和拥有手写[translate] aFlying in the sky 飞行在天空[translate] aa conventional artist of this period was not interested in showing natureand people as...
This well structure design has been widely verified in the international deepwater well development field and has achieved remarkable success. Similarly, China’s self-operated deepwater drilling project in the South China Sea also adopted this proven form of wellbore structure in its initial stage ...
According to the result of the survey ,scientists found out that people felt better after watching the sad movie.Scientists believed this was because the movie made them think about their own lives and relationships.Compared to those of the unlucky lovers in the movie,their ...
The PRD simulation model of full-scale bit operated under impact load, static load and RPM. The load was applied to the top of the drill bit, and the value of different loads mainly depended on the research problem. The triangle wave shape of impact load is the basic wave form. The inp...