机械产品造型设计
shape design of mechanical products
食品包装机械制造企业
food packaging machine manufacture enterprise
产品机械结构选型
machine structure type selection of product
machine structure type select ion of product
大型机械装备
large-sized mechanical equipment
纺织机械制造企业
textile machinery manufacturing enterprises
复杂机械产品
complex mechanical products
complex mechanical product
complex mechanic product
港口机械制造业
manufacturing industries of port machinery
工程机械制造业
Construction machinery industry 60t Mast Type Beam Erect
机械产品标准件
mechanical standard parts
机械产品及管理
mechanic products & management
机械产品计算机辅助设计支持系统
mechanical product CAD support system
机械产品开发
mechanical product development
机械产品设计
mechanical product design
machine design