中小机械制造企业
Small and Medium-Sized Manufacturing Enterprises
机械维修小窍门
Tips for Mechanic Service
急性机械性小肠梗阻
Acute mechanical small intestinal obstruction
精密微小型机械系统
precise microminiature mechanical system
小规模农业机械化
Miniature mechanization of agriculture
小麦生产全程机械化
wheat production mechanization
小型甘蔗收获机械
Small-scale Sugarcane Harvester
小型机械制造企业
small mechanical manufacturing enterprises
小型养路机械
light track maintenance machinery