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联络巷道
gen.	blockhole; boutgate; crosshead (ing); cross-hole; doghole
earth.sc.	connection
oil	cross head
tech.	cross heading; cut-through; dog hole; gate road (采矿区内); jitty
联络巷道间隔一定距离设置的通向临近进风巷道和排风巷道的贯通联络巷道
expl.	cross-heading; thirl whirling
【矿】联络巷道
gen.	breakthrough
thirling 联络巷道扩展成全断面平巷或平硐之前的小断面巷道
expl.	thirl

联络 巷道: 6 phrases in 3 subjects

Explosives and Explosive Ordnance Disposal	1
General	1
Technology	4