门座式起重机的工作机构振动历程有特殊性。
The vibration course of the working mechanism of the portal crane has its particularity.
单臂架门座式起重机结构简单、起重量大自重轻。
Simple arm frame gantry crane structure, lifting large light weight.
最后作为复杂机械产品的应用实例，建立了港口门座式起重机的CAD系统模型。
As an example, we build the model of the portal crane CAD system to verify the above techniques and criterions.
应用推荐