| 单词 |
sinking-and-walling scaffold |
| 释义 |
sinking-and-walling scaffold sinking-and-walling scaffold[′siŋk·iŋ ən ¦wȯl·iŋ ′ska‚fōld] (mining engineering) A platform designed for use in shaft sinking to enable sinking and walling to be performed simultaneously. Also known as Galloway sinking and walling stage. |
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