1.
Oil preserves metal from rust.
油保护金属免于生锈。
2.
Study of Protection Technology in Hydrocarbon-Bearing Formation of Horizontal Well in Jianghan Oilfield;
江汉油田水平井保护油气层技术研究
3.
STUDY ON DRILLING FLUIDS FOR PROTECTING RESERVOIR OF JILIN OIL FIELD;
吉林油田保护油气层钻井液体系研究
4.
Research and Application of Reservoir Protection in the Baolige Oil Field
宝力格油田油层保护技术研究与应用
5.
This non-drying soap maintains protective lipids.
这种非干性肥皂用于保持保护性油脂。
6.
To wind protective strips of canvas around(rope).
用油布盖或缠裹在（绳索）上包上保护性的油布条
7.
Research on Formation Protection Technique in Yingtai Area of Jilin Oilfield;
吉林油田英台地区油气层保护技术研究
8.
Research on Reservoir Protection Drilling Fluid of Qianan Area in Jilin Oilfield
吉林油田乾安地区保护油气层钻井液研究
9.
Study on Screen Liner Failure in Horizontal Wells for Super-heavy Oil Reservoir and Protection Countermeasures
超稠油油藏水平井筛管损坏研究与保护对策
10.
Completion fluid in unconsolidated sandstone heavy oil reservoir based on reservoir protection
基于储层保护的疏松砂岩稠油油藏完井液
11.
Application of Tubing Cathodic Protection Technology in Xianhe Oil Production Plant
油水井阴极保护技术在现河采油厂的应用
12.
Nitroglycerin can treat heart disease.
硝酸甘油对心脏有一定的保护作用。
13.
Part of the glazes have been rubbed off.
部分保护画面的油层已被磨掉。
14.
an additional protective coating (as of paint or varnish).
附加的保护层（如油漆或清漆上面）。
15.
Code for design of environmental protection enterprises used in petrochemical industry
石油化工企业环境保护设计规范
16.
The Safety Protection Function of Disc Brake on Oil Drilling Rig
石油钻机用盘式刹车的安全保护功能
17.
A Study of automatic diesel engine protector for DF_4 locomotives
东风_4型机车柴油机自动保护器研究
18.
The Research about Protection of the Ecological Environment in Shengli Oilfield Development;
胜利油田开发中的生态环境保护研究