尽管资历尚浅，他们以铝和铁为材料的挑战重力的设计方案，在一次公开的国际比赛的超过40个作品中脱颖而出。
Despite their youth, their gravity-defying, loop-de-loop plan of aluminum and steel won an open international competition of over 40 entrants.
很多公开水域铁三运动员在他们的训练中，游泳的时间方面多于距离。
Many open water athletes swim for time rather than distance for their training.
本实用新型公开了一种利用激光技术、电磁技术和天然锰矿石进行除铁和过滤的装置。
The utility model discloses an iron filtering device by which laser technology, electromagnetism technology and natural manganese ore are used.
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