ultra-high h speed sewing machine 超高速缝纫机
H High Speed Dome 室内高速球
H igh-speed Internet access 高速的互联网接入
China is the first and only country to have commercial high-speed train service on conventional rail lines that can reach a top operational speed of 350 km/h.
中国是第一个也是唯一一个在传统轨道线路上,拥有最高运营时速达到350公里的商业高速列车运行服务的国家。
Using laser-triggered high-speed macrophotography, Dr. John H. Brackenbury of the University of Cambridge in Cambridge, UK, captured this image of a water droplet containing a pair of mosquito larvae.
运用激光触发高速微距摄影技术,英国剑桥大学的约翰·H·布兰肯布里博士抓拍到了一滴携带有一对蚊子幼虫的水滴。
The company has some of the world's leading production lines of thin strips, high-speed wires, train wheels and steel H-beams.
公司拥有一些世界领先的生产线,包括薄板、高速线材、列车车轮和h型钢等生产线。
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