“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	ctn CTR C-tube bourdon element C-type asteroid C-type virus particle Cu cu cubanite cubature cube cubeb cubeb oil cube ore cube root cube spar cube-surface coil loader load factor load impedance loading loading angle loading board loading coil loading density loading device

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