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导眼 | |
dril. | feel ahead |
el. | guide hole |
钻头 | |
gen. | drill |
bridg.constr. | borer |
hydroel.st. | aiguille; drill bit; bore bit |
met. | drilling bit; straight bit |
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guide hole | |||
pilot hole | |||
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feel ahead |
导眼: 26 phrases in 9 subjects |
Aviation | 1 |
Drilling | 4 |
Electronics | 2 |
General | 1 |
Geophysics | 2 |
Oil / petroleum | 6 |
Space | 1 |
Technology | 6 |
Textile industry | 3 |