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单词
haulage level
释义
haulage level
haulage level
[
′hȯl·ij ‚lev·əl
]
(mining engineering)
An underground level, either along and inside the ore body or closely parallel to it, and usually in the footwall, in which mineral is loaded into trams and moved out to the hoisting shaft.
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更新时间:2026/8/21 20:04:29