short sleeper 中文意思是什麼
short sleeper
解釋
短時睡眠者-
The short - sleeper and long - lump monolithic roadbed construction technique
短軌枕長軌排整體道床施工技術 -
The practice of renewal of monolithic track bed with short sleeper in tunnel
隧道內短枕整體道床改造工程實踐 -
Construction technology of short sleeper ballastless track with new type vibration reducing fastener
扣件短軌枕軌道工程施工技術
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