对称形 | |
eng.geol. | symmetric figure |
衰减 器 | |
gen. | attenuator |
衰减器 | |
gen. | dimmer |
el. meas.inst. | attenuator |
eng.geol. | compressor |
oil | attenuation |
space | pad |
tech. | attenuater; attenuation pad; attenuating pad |
| |||
symmetric figure |
对称 O 形 : 135 phrases in 28 subjects |