请输入您要查询的英文单词:
单词
longwall
释义
WordReference Random House Unabridged Dictionary of American English © 2024
long•wall
(lông
′
wôl′, long
′
-),
USA pronunciation
adj.
[
Mining.
]
Mining
noting or pertaining to a means of extracting coal or other minerals in an underground mine from a continuous face, the roof before the face being supported at intervals by temporary or movable artificial supports. Cf.
room-and-pillar.
n.
Mining
the continuous face so worked.
long
1
+
wall
1830–40
随便看
switch on
switch-on
switchover
switch plate
switch plug
switchyard
swith
swither
swithin
swithly
switz.
switz
switzer
switzerland
swive
swivel
swivel chair
swivel gun
swivel-hipped
swivellike
swivel pin
swiveltree
swivel weaving
swivet
swiz
英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/11/22 1:56:52