请输入您要查询的英文单词：
单词
coal seam
释义
coal seam
in American English
noun
a bed of coal
Word origin
[
1840–50
]
Examples of 'coal seam' in a sentence
coal seam
Greenpeace worries that methane will escape from the underwater coal seam during the process.
Times, Sunday Times
(
2014
)
Chemically treated gases (oxidants) piped into unused coal seam through borehole 2.
Times, Sunday Times
(
2007
)
The technique uses two bore holes drilled into a coal seam.
Times, Sunday Times
(
2009
)
Two boreholes are drilled into a coal seam.
Times, Sunday Times
(
2014
)
The coal seam at this point was no more than 2ft 6in thick and the tunnels themselves barely much larger.
Times, Sunday Times
(
2011
)
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high opinion
high-pass filter
high-performance
high pitched
high-pitched
high place
high places
high point
high-point
high powered
high-powered
high pressure
high-pressure steam
high priced
high-priced
high priest
high-priest
high priestess
high-priestess
high priesthood
high-principled
high priority
high profile
high-profile
high-profile campaign
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更新时间：2025/10/30 13:59:20