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firedamp pressure-chamber method
释义
firedamp pressure-chamber method
firedamp pressure-chamber method
[
′fīr‚damp ′presh·ər ‚chām·bər ‚meth·əd
]
(mining engineering)
A method of firedamp drainage in coal mines; pressure chambers built at the intake and the return of a worked-out area are used to trap firedamp, which is drawn off in pipes.
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更新时间:2026/10/3 23:48:16