After maintenance, all safety devices must be recovered and checked for their Validities. Maintenance and repairing must be executed by qualified experts.

检修结束后，所有的安全设施必须放回原处，并检查其有效性。维护和维修必须由有资质的专业人员实施。

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Seamless steel pipe, senior experts have pointed out that iron ore import qualified awarded can be used to conduct open and transparent manner, such as auction.

资深无缝钢管专家指出，铁矿石进口资质的颁发可用公开透明的方式进行，比如竞拍。

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The pool of skilled professionals in China with overseas work experience or advanced degrees from abroad can't meet current demand, estimated by some experts as 10 jobs for every qualified person.

在中国，具有海外工作经验或国外高学位资历的专业技术人才库不能满足当前的人才需要。某些专家估计，每一个资历合格的人员，就有10个空缺职位在等待他。

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Under strict oversight, the FAA delegates certain certification activities to qualified experts, Boeing says on its website.

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Forecasts for rise this century range from 1-5 meters by qualified experts.

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Mitko Dimitrov, head of Payner, said the grant would be used to create "new jobs for highly qualified experts, mostly young people", according to a Bulgarian TV broadcast seen by BBC Monitoring.

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