Establish the erosive wear mechanism of drilling string in air drilling and put forward that erosion wear is a substantial cause to promote drill string failure.
初步确立了空气钻井钻柱冲蚀磨损机理，提出钻屑冲蚀是促使钻具失效的一项重要原因。
They can cause substantial personal suffering, impaired quality of life and financial cost.
它们可造成大量个人痛苦、生活质量受损以及经济代价。
Considering that depression can cause poor self-esteem and sometimes even body dysmorphia, it's also possible that depressed teens would self-report "substantial" acne more often than their peers.
考虑到抑郁会导致自信心不足，有时甚至会造成身体畸变，抑郁的青少年将自我报道称与同龄人相比，自己有大量的痤疮。
'With a strong and shallow earthquake like this in such a populated area, it could really cause substantial damage,' he said.
他说，在这样一个人口稠密地区发生强烈的浅层地震，真的有可能造成重大破坏。
These conditions cause premature death and substantial disability.
这些病症造成过早死亡和严重残疾。
Hackers who breach and cause substantial harm to critical infrastructure systems would face a mandatory minimum three-year prison sentence if the White House gets its way.
如果白宫的一项法案通过的话，破坏关键性基础设施系统并对其造成重大损害的黑客将面临至少三年的强制性监禁。
Although severe alcohol problems get the most public attention, even mild to moderate problems cause substantial damage to individuals, their families, and the community.
虽然公众常常关注严重的酒精问题，但是轻微和中度问题也会对个人、家庭及社群带了严重的后果。
But no evidence demonstrates that the duration of outdoor exposure - in places where people can move freely about - is long enough to cause substantial health damage.
但还没有证据表明，当人在户外自由移动时，身体接触到的烟气的残余，确实多得能够伤害健康。
Such wrongly wrought proteins need to be binned before they cause substantial damage.
这些折叠出错的蛋白质在引发灾难前就需要被封存。
Skype being gutted would cause substantial disruption to the communication of millions of families around the world.
如果Skype被掏空，全球数百万家庭的沟通将受到影响。
Can loosen up due to corrosion and cause substantial leakage.
可能会因腐蚀而导致松弛，从而导致实际上的泄漏。
That assertion is controversial, as some doctors aren't convinced that the scientific evidence is conclusive or the potential harm is significant enough to cause substantial concern.
上述言论存在争议，一些医生并不承认这种科学证据具有决定意义或者这种潜在的损害会产生实质性的利害关系。
In summary, abductor tendon avulsion after total hip arthroplasty has been shown to cause substantial pain and functional limitation.
总结，全髋关节置换术后外展肌撕裂可能造成疼痛和功能受限。
NEPA litigation does cause substantial delays in a significant number of projects.
依据《国家环境政策法》的起诉的确引起了一些工程实质性的拖延。
Our behavior and environment can cause substantial rewiring of the brain or a reorganization of its functions and where they are located.
自身行为和环境能引起大脑大量的神经线路再接或者其功能的重组和位置的改变。
Your behavior and environment can cause substantial rewiring of your brain or a reorganization of its functions.
自身行为和环境会引起大脑神经线路大量再接或功能重组。
The medical profession has been a long time that the HIV incubation period is needed after several years or even 10 years time will cause substantial harm to the human body.
长期以来医学界一直认为，艾滋病毒具有潜伏期，需要经过几年甚至10几年时间才会对人体造成实质性伤害。
It is really a retreat and would cause substantial reconsideration of the overall concept.
这绝对是一个倒退并且会导致全盘计划的重新考虑。
Eventually, the cause of wood dimension unstability was investigated to provide substantial data for improving dimensional stability of wood.
探讨宏观尺寸变化的根本原因，为改善人工林杉木木材尺寸稳定性提供理论依据。
Porcine Edema disease is the most widespread cause of death in weaned pigs and account for substantial economical losses in pig farming industry.
鉴于猪水肿病是一种造成断奶仔猪死亡并在世界范围内广泛存在的重要疾病。
Streptococcus equi subsp. zooepidemicus can cause swine diseases, thus making substantial economic losses in recent years.
目的近年来马链球菌兽疫亚种引起的猪链球菌病在我国造成重大损失。
Such a rise, they argue, would 'cause a substantial loss of net employment.
他们说，这样的一个升值幅度会使净就业率受到相当大的打击。
The man in charge of finding new planets at the observatory, admitted they've been watching Planet X for 3 years and are worried about the substantial damage it may cause to Earth during its passage.
在寻找新的行星在天文台的负责人承认，他们一直在看行星X为3年，而有关的重大损害担心它可能会导致在其通过地球。
Since last week, arrived in Wuxi market, there are substantial price cuts this week, Wuxi Tomomori Communications latest offer 2530 yuan, cause for concern.
自上周以来，在无锡市场上时，有很大的降价，本周，无锡友盛通讯最新报价二五三零元，令人担忧。
Other features will not cause enough of a performance hit to make a substantial difference.
其他功能不足以造成性能的急剧变化。
Other features will not cause enough of a performance hit to make a substantial difference.
其他功能不足以造成性能的急剧变化。
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