“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	cross-correlation cross-correlation detection cross-correlation function cross-correlator cross-country mill cross-coupling crosscurrent crosscurrent extraction cross curve crosscut crosscut file crosscut saw crosscutting relationships cross drum boiler crossed belt crossed cylinder crossed electrophoresis crossed-field accelerator crossed-field amplifier crossed-field backward-wave oscillator crossed-field device crossed-field multiplier phototube crossed lens crossed-needle meter crossed paralysis

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