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动力下降 | |
tech. | power-controlled lowering; powered lowering |
段 | |
geol. | series |
hydroel.st. | segment; section |
IT | thread |
mech. | member |
met. | stage; zone |
oil | part |
| |||
power-controlled lowering; powered lowering |
动力下降 : 5 phrases in 3 subjects |
Artificial intelligence | 1 |
Aviation | 2 |
Space | 2 |