| 摘要 |
A hollow, gas filled sound-absorbing plate (1) intended for use in an oil-filled transformer box is designed with internal flanges (8, 9), with mainly L or J-shaped cross-sections. By the flanges on one wall of the sound-absorbing plate (2) being hooked together with flanges on its other wall (3) the plate has the power to withstand a vacuum.<IMAGE> |
