英语翻译请问“how the construction of a nationwide high-speed railw

英语翻译请问“how the construction of a nationwide high-speed railw 英语翻译The high speed of air travel is gained at a cost. china is planning to build an international high speed railw Speed is the measure of how fast a person 英语翻译The design,construction,operation and maintenance of a n 英语翻译The concept of identity construction takes a distinguish 英语翻译The nationwide strikes that brought Nigeria to a standst 英语翻译the heavy loads and high speed of today's trains can cau 英语翻译We have seen how the construction of an artifact and its It's reported that this high-speed （ ）at speed of 417 km/h A 1.The jingguang High-Speed Railway goes______28 citys.A.acro with a high speed 还是at a high speed?