Some essentialities in operation and maintenance of high speed trains are discussed.
論述了高速列車在運用檢修中的若干個基本問題.
互聯網
There are many factors influencing spontaneous combustion in goaf and their relative essentialities are different.
采空區自然發火的影響因素很多,各因素之間的相對重要性不同.
互聯網
Copyright ? mingxiaow.com All Rights Reserved. 杭州優配網絡科技有限公司 版權所有 未經書面允許不得轉載、復制信息內容、建立鏡像
本網站內容僅供參考,請以各學校實際情況為主!內容侵權或錯誤投訴:841539661@qq.com 工信部備案號:浙ICP備20019715號