It is obtained by distilling soft pitch in flash column under certain pressure and temperature.

中温沥青经过在一定的压力和温度下进行闪蒸获得。

youdao

Soft pitch is a black solid at a certain temperature , it will be solidified into a brittle solid with shell-like fracture.

常温下为黑色固体，在一定的温度下凝固成很脆的具有贝壳状断口的固体，呈玻璃相；

youdao

It is obtained by distilling soft pitch in modified pitch column under certain pressure and temperature after certain time heating.

中温沥青经过在一定的压力和温度下，经过一定时间热处理获得。

youdao

He's not had a lot of minutes recently and that soft pitch didn't help him.

BBC: Cup win unbelievable, says Rooney

The one ploy remaining was the short ball, and Stuart Broad was entrusted with that, but the soft ball, slow pitch and dominance of the batsmen soon put an end to that, hook shots played down with rolled wrists and great control.

BBC: South Africa openers defy England