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单词
spiral cutterhead
释义
spiral cutterhead
spiral cutterhead
[
′spī·rəl ′kəd·ər‚hed
]
(mining engineering)
A rotary digging device which dislodges and feeds alluvial sand or gravel to the intake of a suction dredge.
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更新时间:2025/10/17 12:02:51