This category includes degrees that are not listed under the usual classifications of mining or petroleumtechnology.
该范畴包括了通常没有列入采矿或石油技术类目的学位。
2
The effective employee performance management is key to advance competence of petroleumtechnology service enterprise.
提升石油技术服务企业竞争力，有效的员工绩效管理是关键。
3
A term used in petroleumtechnology to describe a method of removing methyl groups (or other alkyl groups) from a hydrocarbon compound and replacing them with hydrogen.