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elliptic hole | |||
oval hole | |||
elliptic aperture; elliptical aperture; elliptical hole |
椭圆孔 : 91 phrases in 11 subjects |
Agriculture | 1 |
Automobiles | 3 |
General | 4 |
Metallurgy | 58 |
Oil / petroleum | 3 |
Roll stock | 1 |
Shooting sport | 2 |
Space | 1 |
Steel production | 2 |
Technology | 15 |
Wind Energy | 1 |