“fall block”的概念、定义、翻译、参考文献-科学参考

单词	fall block
释义	fall block [`fȯl ´bläk] ^{MECHANICAL ENGINEERING} A pulley block that rises and falls with the load on a lifting tackle.
随便看	wane waning moon Wankel engine Wanner optical pyrometer Wannier function want warble tone wardite Ward-Leonard speed-control system warehouse war game war gas warhead warhead installation z-transform Z twist Zulu time Zuni Zurich number Z variometer Zwicky dark matter Zwischengebirge zwitterion Zygaenidae Zygaenoidea

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