subshaft
/ˈsʌbʃɑːft/ /ˈsʌbʃaft/noun
A subsidiary shaft or vertical excavation.
Origin
Late 19th century. From sub- + shaft.
| 单词 | subshaft |
| 释义 | subshaft/ˈsʌbʃɑːft/ /ˈsʌbʃaft/noun A subsidiary shaft or vertical excavation. Origin |
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