第二汽车制造厂安技环保处
the second automobile factory
山东海化集团股份有限公司纯碱厂安环处
shangdong haihua group soda ash factory
二自由度起重机机架模型
two-degree-of-freedom crane system
机床重复定位精度
to heighten the machine tools repeatability positioning accuracy
桥式起重机安装工艺
The installation procedure of bridge crane
重庆环境保护工程设计研究院
Chongqing Institute of Environmental Protection Engineering Design
重庆环境保护局经济技术开发区办公室
Chongqing Environmental Protection Bureau Economic Technological Development Zone office
长庆石油勘探局质量安全环保处
Department of Quality Safety and Environmental Protection
changqing petroleum exploration bureau
大庆石油化工总厂环保监测站
environmental monitor station
daqing petrochemical complex
第二、第三掌背动脉
Second or third dorsal metacarpal artery
第二保持系
Second maintainer of male sterile lines