| 摘要 |
A chassis unit for electrical equipment is made up of a main chassis and a sub-chassis so that a part such as a power transformer, which produces vibration, is mounted on the sub-chassis and parts such as a printed circuit board and the circuit elements disposed on it, which produce no vibration, are mounted on the main chassis. The main chassis has an opening through which, when the main chassis is combined with the sub-chassis in such a manner that the two chassis are substantially flush with each other, the part mounted on the sub-chassis is protruded above the main chassis, such that the main chassis is separated from the sub-chassis in the propagation of the vibration.
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