“foot holes”的概念、定义、翻译、参考文献-科学参考

单词	foot holes
释义	foot holes [`fu̇t ´hōlz] ^{MINING ENGINEERING} Holes cut in the sides of shafts or winzes to enable miners to climb up or down.
随便看	hard copy hard cosmic ray hard crash hard data hard detergent hard disk hard-drawn wire hard edit hardenability hardened circuit hardened links hardened site hardened steel hardener hardener bath hardening Harderian gland hard error hard-face hard failure hard fiber hard freeze hard frost hard glass hard goods

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