The main kinds of material of reconciliation oil were coal-tar oil and heavy-oil.

用来制备合成燃料油的主要原料是煤焦油、重油。

youdao

This paper introduced the use of tar oil mixture as raw material in the production of naphthalene.

应用现有装置，把未洗三混直接作为工业萘原料。

youdao

Material: Cigarettes, Cigarette, Tar oil, Smoke fluid, Environmental tobacco oil, Voice electrostatic plate, Mini Speaker.

材料：香烟，烟头，焦油，烟液，环保烟油，声控静电盘，迷你音箱。

youdao

The proposed Keystone XL pipeline would carry heavier crude oil produced from tar sands in Canada.

VOA: special.2011.07.08

"We think that for the South Florida parks, Dry Tortugas,Big Cypress, Everglades and Biscayne, it is predominately going to be a tar ball event because the oil is weathering."

VOA: standard.2010.05.26

But the sight of workers wearing white protective suits and gloves hauling in tons of oil-contaminated waste - including bags of sandy tar balls, vegetation,used oil booms, rags and other clean-up supplies - has caused alarm among some Gulf coast communities.

VOA: standard.2010.08.05

It avoided substituting Venezuelan heavy-tar oil used in Gulf Coast refineries with a similar product from near-by Canadian friends.

FORBES: Will The Election Continue To Give Our Fossil Energy Industries A Big Bird?

Also looming is a decision whether to grant a permit to the Keystone XL oil pipeline, which would transport carbon-laden tar sands oil from Canada to Texas.

NPR: PROMISES, PROMISES: Climate Change

There must be solutions with less severe tradeoffs than shale gas and tar sands oil.

FORBES: Frack That! The Innovators in Maine Have Plans to Power the Entire State with Offshore Wind