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掏槽 tāocáo
gen.	snubbing; sumping; unkey
archit.	cutting; initial cut; kirve
expl.	holing; initial break; slot-cut; summit-ing cut
hydroel.st.	undercut
tech.	cut; kerf; kerve; sump; undermine
掏槽按照阶段性炮孔位置设计，炮孔是按台阶状而不是逐排地予以引爆 tāocáo
expl.	en-echelon cut; en chelon
掏槽用机械、水力或爆破法从采掘工作面、煤壁或岩壁先掏出部分煤或岩石以增加自由面的工序。参见 keif tāocáo
expl.	slot-tting
掏槽为炮孔组剩余炮孔提供新自由面的隧道爆破开口部分 tāocáo
expl.	cut
掏槽用机械、水力或爆破法从采掘工作面、煤壁或岩壁先掏出部分煤或岩石以增加自由面的工序。参见 slotting tāocáo
expl.	kerf

掏槽 : 313 phrases in 15 subjects

Architecture	2
Automobiles	1
Coal	1
Earth sciences	1
Electronics	3
Engineering geology	6
Explosives and Explosive Ordnance Disposal	153
General	18
Hydroelectric power stations	4
Metallurgy	1
Mining	2
Natural sciences	1
Oil / petroleum	1
Rail transport	1
Technology	118