“黑块”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。

单词	黑块
释义	黑块 black patch
随便看	railway division communication system railway dry dock railway duty railway electrification railway end-loading ramp railway engineering railway engineer troops railway equipment railway export bill of lading railway express and fast freight (运输) railway fare railway ferry railway flak railway freight Railway freight railway freight car oil railway grade crossing railway grand division railway grease railway haulage capacity railway howitzer railway injury railway inspection car railway integration mechanism railway interests