| 摘要 |
The present invention provides a submersion prevention structure for a device with which the generated heat or the oil vapor from a device such as a pump can be allowed to escape, and with which submersion of the device can be prevented. This submersion prevention structure has an aperture part (61) only in the floor surface of the structure, while the rest of the structure comprises a sealed box (60) having a sealed construction, with a pump (20) arranged therein. |
