金属试验 meaning in Chinese

metallographictest

Plain bearings - testing of tribological behaviour of bearing materials - testing of bearing metals
滑动轴承.轴承材料摩擦特性试验.轴承金属试验
It also has the real estate construction general contracting grade b qualification , machinery equipment installation project specialized contracting grade 1 qualification , crane equipment installation project t specialized contracting grade a qualification , steel structure project specialized contracting grade b qualification , electric power debugging second class certificate , first - class metal lab , civil engineering lab and welding training center and china imports & exports enterprise qualification certificate
同时具有房屋建筑工程施工总承包贰级、机电设备安装工程专业承包一级、起重设备安装工程专业承包一级、钢结构工程专业承包二级、电力工程调试乙级、一级金属试验室、一级土建试验室、一级焊工考核培训中心和中国进出口企业资格证。