Also, the experiments had been carried out to study the effects of the high-pressured water jet power, the amount and composition of grinding medium and the impact time on the comminuting capability.

通过试验方法研究了高压水射流功率、研磨介质的填充量和配比、冲击时间等对该装置粉碎能力的影响。

youdao

It would also need to be only half the size of a conventional jet of similar power, says Dr Lior.

ECONOMIST: A new way to build a greener jet engine

That impressive streak could have been, but was thankfully not, broken on Thursday when a bird strike apparently caused both engines on a US Airways jet to lose power.

ECONOMIST: Business travel

The fire started after a battery in the jet's auxiliary power system overheated.

BBC: Boeing Dreamliner catches fire in Boston