1.
Petroleum by-products for use on the farms also show an increase.
农用石油副产品也有了增长。
2.
Kerosene is a by-product of petroleum refining.
煤油是提炼石油的副产品。
3.
They are by-products from the oil extraction.
它们是提炼石油时产生的副产品。
4.
Petroleum coke is a fuel produced using the byproducts of the petroleum refining process.
石油焦炭是一种燃料，是由石油提炼过程中的副产品加工而成的。
5.
tank cession price
石油产品在油库的售价
6.
Our oil field supplies our country with oil and oil products.
我们的油田供给国家石油及石油产品。
7.
Refinery and petrochemical operation produce a variety of byproduct gases.
炼油厂和石油化工生产中生成各种副产气体。
8.
Hydrogen is produced by the steam reforming of natural gas, the electrolysis of water, the dissociation of ammonia, and as a by-product of petroleum distillation and chlorine manufacture
生产氢有多种方法：天然气的蒸气重整，水的电解，氨的分解，石油蒸馏和氯生产的副产品。
9.
de-waxing machine, centrifugal, for petroleum products
石油产品离心脱蜡机
10.
off-test product
未经检验的石油产品
11.
petrochemical storage vessel
石油化学产品的储藏器
12.
testing method for precipitation number of petroleum products
石油产品沉淀值测定法
13.
Easy Oil Company Limited
依仕石油产品有限公司
14.
Crude potassium bitartrate, a by - product of winemaking.
粗酒石粗酒石酸氢钾原料，制酒中的副产品
15.
The marketing prospect of byproduct sulfur from Northeast Sichuan National Gas Field of CNPC;
中石油川东北天然气副产硫磺的市场发展前景
16.
Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas.
氨气、 煤焦油、 焦煤都是煤气生产过程中的副产品.
17.
German chemist. He won a1918 Nobel Prize for the synthetic production of ammonia .
氨气、煤焦油、焦煤都是煤气生产过程中的副产品.
18.
method of sampling crude oil and petroleum products
原油及石油产品采样方法