他们将汇报煤焦油的试验情况。

They will report on the experiments with coal tar.

youdao

煤焦油有很强烈的气味，并且会染污衣服。

Coal tar has a strong smell and can stain clothing.

youdao

本品为深褐色液体；有醋酸及煤焦油的特臭。

This product is dark brown liquid. Have the acetic acid and coal tar.

youdao

沥青，煤焦油，高温。

Pitch, coal tar, high temp.

youdao

沥青，煤焦油，高温。

Pitch, coal tar, high temp.

youdao