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拉底 | |
gen. | footwalling; underbreaking; undermine |
expl. | bottom cutting; undercut; under-cutting; underhole; break-in; downcut |
工作面 | |
mech. | operating profile |
| |||
footwalling; underbreaking; undermine | |||
bottom cutting; undercut; under-cutting; underhole; break-in; downcut; lower cut; toe cut | |||
bottom cut |
拉底 : 66 phrases in 17 subjects |