伸缩式庭院电动门门体设计有以下特点：
The design of retractable courtyard electric door has the following characteristics:
1、门体由可伸缩的立体交叉的直杆或弯曲型杆组成。
1. The door body is composed of a straight or curved rod with three-dimensional and extensible cross.
2、门体多个地轮组成，保证门体杆件伸缩时在地面行走的需要。
2. The door body is composed of multiple ground wheels to ensure the need of walking on the ground when the door body members expand.
3、门体由规则的曲线和直线结合组成，这些组合的直线和曲线是重复的出现。
3. The door body is comptuijian：jianchaj.89ix.com hulan.37ix.com.cn zhuce.71ix.com www.hupomuju.cn
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4、门体是立体的杆件和行走机构的组合。
4. The door body is a combination of three-dimensional members and walking mechanism.