“permanent way tamping machinery”的概念、定义、翻译、参考文献-科学参考

单词	permanent way tamping machinery
释义	permanent way tamping machinery Encyclopedia 工学铁路养路机械释 permanent way tamping machinery线路捣固机械通过对铁路轨道的拨道、起道抄平，道砟捣固及道床肩部道砟夯实作业，提高轨枕底部和道床肩部道砟的密实度，增加轨道的稳定性，修正轨道方向、横向和纵向水平偏差，使之达到线路设计标准或线路维修要求的大型养路机械。又称捣固车，是铁路线路大修和综合维修的主型机械之一。
随便看	externally inscribed curve externally modulated optical transmitter externally prestressed concrete structure externally-pulsed externally stable set externally tangent external-magnetic wet permanent drum magnetic separator external mold external motivation of learning external negation external network external occipital crest external occipital protuberance external occultor external occultor coronagraph external oriented economy external parameter external part-time of administrative subject external part-time of market subject external path length external photoelectric effect imaging device external plasticization external point external point of view external pollutant loading control

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