他们有丰富的实践经验。
有丰富的液压气动知识和实践经验。
Good knowledge and experience of hydraulic and pneumatic system.
本公司技术力量雄厚，实践经验丰富，是一个具有竞争力、有实力的公司。
The company has strong technical strength, practice experience, are a competitive, the company has strength.
有丰富的大型冷冻库设计、建造、安装实践经验。
It also has rich practice experience of large freezer design, construction and installation.
有丰富的大型冷冻库设计、建造、安装实践经验。
It also has rich practice experience of large freezer design, construction and installation.
应用推荐