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唇面排水 | |
tech. | face ejection |
钻头 | |
gen. | drill |
bridg.constr. | borer; boring bit; boring head |
hydroel.st. | aiguille; drill bit; bore bit |
met. | drilling bit; straight bit |
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face ejection |
唇面排水 : 10 phrases in 2 subjects |
Oil / petroleum | 2 |
Technology | 8 |