石油机械 meaning in English
china petroleum machinery
petroleum machinery
Examples
- Labour quota for petroleum machinery forging
石油机械锻造劳动定额 - The application of new non - welded pipeline on petroleum machinery
新型无焊接管道技术在石油机械中的应用 - Safety production rules for petroleum machinery manufacturing enterprises
石油机械制造企业安全生产规定 - Discussion of fuzzy method of comprehensive assessment on customer - satisfaction degree for petroleum machinery products
论石油机械产品顾客满意度模糊综合评判方法 - The design and research of chemical tower equipment has an important status in chemical engineering and petroleum mechanical industry
化工合成塔设备的设计和研究，在化工、石油机械工业中有着重要的地位和作用。