“crown platform”的概念、定义、翻译、参考文献-科学参考

单词	crown platform
释义	crown platform [`krau̇n ¦plat´fȯrm] ^{PETROLEUM ENGINEERING} A platform located at the top of the derrick that provides access to the sheaves of the crown block.
随便看	Bézout domain bêche Böning effect C c C2 C3 C3I C3 plant C4 plant CA Ca caatinga cab caballing cabane Cabannes' factor Cabannes-Hofmann effect cabbage cabbage yellows cabble Cabernet cabezon Cabibbo theory cabinet file

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