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hard-coal plough
释义
hard-coal plough
hard-coal plough
[
′härd¦kōl ‚plau̇
]
(mining engineering)
A plough-type cutter-loader consisting of rigid or swiveling kerfing bits which precut the coal in hard-coal seams.
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ambient aerosol 1
ambient air
ambient air control panel
ambient air control system
ambient air monitoring and methods
ambient air monitoring group
ambient air monitoring program
ambient air monitoring unit
ambient air quality criterion
ambient air quality monitoring
ambient air quality objectives
ambient air quality standard
ambient air quality standards
ambient air temperature
ambient app
ambient aquatic life advisory concentrations
ambient assisted living
ambient atmosphere conditions and aging
ambient background sound level
ambient bay and lagoon monitoring
ambient breeze tunnel
ambient cistern
ambient computing
ambient desorption/ionization mass spectrometry
"ambient devices"
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更新时间:2025/10/8 9:46:41