The paper analyzes main technical characteristics of this new-type head span OCS, and the construction technique are studied, a viable improvement scheme is offered.
本文分析了新型软横跨接触悬挂的主要技术特点，对施工技术进行了研究并提出了可行的改进方案。
Medical breakthroughs hold out the prospect of living longer and healthier lives, with current life span norms set to be turned on their head, an expert on anti-aging said on Friday.
周五，一位抗衰老专家说，医学上的突破使人们有希望获得更长的寿命和更健康的身体，并且让目前生命的终点变为起点。
Medical breakthroughs hold out the prospect of living longer and healthier lives, with current life span norms set to be turned on their head, an expert on anti-aging said on Friday.
周五，一位抗衰老专家说，医学上的突破使人们有希望获得更长的寿命和更健康的身体，并且让目前生命的终点变为起点。
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