What does it mean that there are standard parking spaces, civil air defense parking spaces, new energy parking spaces and barrier-free parking spaces in underground parking spaces?

Standard parking spaces, civil air defense parking spaces, new energy parking spaces and barrier-free parking spaces in underground parking spaces refer to:

1. Standard parking space: 2.5m to 2.7m, suitable for most small and medium-sized vehicles.

2. Civil air defense parking space: located in the civil air defense project, it is a parking space used for personnel concealment in wartime.

3. New energy parking spaces: parking spaces equipped with new energy vehicle charging piles.

4. Barrier-free parking spaces: Parking spaces that are convenient for the disabled are usually marked with the pattern of "wheelchair for the disabled". Multi-purpose vehicles are not allowed to park in such parking spaces, so as not to affect the unimpeded passage.

In addition, there are the following types of parking spaces:

1. Ordinary parking spaces: parking spaces not included in the above four types are usually used for temporary or short-term parking.

2. Main parking space: two cars can be parked in one parking space, which is generally used by large-size vehicles or vehicles that need extra space to park.

Please note that different regions and developers may have different regulations and standards on the size and type of parking spaces, and the specific standards may vary from place to place. If you need to know the specific size and type of parking spaces, it is recommended to consult relevant local institutions or developers.