Have a good knowledge of product structure, materials, machine processing and hydraulics;

丰富的产品结构、材料、机械加工工艺和液压等专业知识；

youdao

Have a good knowledge of product structure, materials, machine processing and hydraulics;

丰富的产品结构、材料、机械加工工艺和液压等专业知识；

youdao