“depressed center car”的概念、定义、翻译、参考文献-科学参考

单词	depressed center car
释义	depressed center car [di¦prest `sent·ǝr ´kär] ^ENGINEERING A flat railroad car having a low center section; used to provide adequate tunnel clearance for oversized loads.
随便看	rejuvenation rejuvenation head rel relapsing fever related angle relation relational algebraic language relational calculus language relational capability relational database relational data structure relationally complete relational operator relational spreadsheet relational system relative relative address relative age relative atomic mass relative attenuation relative azimuth relative bandwidth relative bearing relative biological effectiveness relative byte address

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