8月15日7時50分，牡佳高鐵聯(lián)調(diào)聯(lián)試現(xiàn)場首組CR400BF-G型復(fù)興號高寒動車組從牡丹江站緩緩駛出，這是復(fù)興號高寒動車組首次參與牡佳高鐵(high-speed railway linking Mudanjiang and Jiamusi)聯(lián)調(diào)聯(lián)試。
It was the first time a Fuxing bullet train has run on China's easternmost high-speed line, which is located in an extremely cold region.
這是復(fù)興號高寒動車組首次在中國最東端高寒高鐵線路試跑。
據(jù)介紹，CR400BF-G型復(fù)興號高寒動車組系在復(fù)興號動車組“金鳳凰”的基礎(chǔ)上進行了高寒適應(yīng)性技術(shù)提升。
The CR400BF-G Fuxing bullet trains are designed to withstand the climate in extremely cold areas that may be hit by blizzards1 and temperatures as low as -40 C. Designers chose materials with better airtightness for the equipment compartment2, which can keep out the snow and cold air.
CR400BF-G型復(fù)興號高寒動車組具有耐高寒、抗風雪等特點，能夠在-40℃的天氣下運行。設(shè)計人員為設(shè)備間選擇了密封性更好的材料，達到防雪、低溫防凍的目的。
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Designers also installed sanding gear in the train, which may help increase traction3 and prevent the wheels slipping in snowy weather.
同時，設(shè)計人員還在動車組上安裝了撒砂裝置，能夠在降雪天氣增加阻力，防止車輪打滑。
牡佳高鐵位于黑龍江省東部地區(qū)，沿線經(jīng)過牡丹江市、雞西市、七臺河市、雙鴨山市、佳木斯市等地。
Construction of the Mudanjiang-Jiamusi high-speed railway started in November 2016. The 371-kilometer line, designed for trains running at up to 250 kilometers per hour, will cut travel time between Mudanjiang and Jiamusi from seven to two hours.
牡佳高鐵于2016年11月開工，全長371公里，設(shè)計時速250公里。通車后，牡丹江到佳木斯的通行時間將從7小時縮短為2小時。
鐵路部門介紹，
Since June 10, different types of bullet trains have been put into use in test runs to ensure the line can operate safely, the group said.
自6月10日以來，已有不同型號的動車組在該線路試運行，以確保線路安全運營。
The dynamic detection and debugging of rail track, communication, signal, power supply, disaster monitoring and other systems has been completed and the whole system has been optimized4, the group said.
軌道、通信、信號、供電、災(zāi)害監(jiān)測等系統(tǒng)的動態(tài)檢測和調(diào)試已完成，整體系統(tǒng)功能得到了優(yōu)化。
鐵路部門介紹，牡佳高鐵聯(lián)調(diào)聯(lián)試結(jié)束后，將轉(zhuǎn)入運行試驗階段(trial operation)，為后續(xù)全線開通運營奠定基礎(chǔ)。
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