Fuel oil leaves no ash.

燃料油不会留下灰。

youdao

Fuel oil leaves no ash.

油箱里一定剩有燃料。

youdao

The utility model has the advantages of simple structure, convenient ash removal, and no ash accumulation.

本实用新型结构简单，不易积灰，清灰方便。

youdao

Macpherson says there is also no way of knowing whether there could be another eruption that could cause a similar ash cloud.

VOA: standard.2010.04.15

It is clean, produces no ash and is easy to transport.

FORBES: Profile of An Energy Revolution: Japan

Ryanair said its 90-minute flight at 41, 000ft showed there was "no visible volcanic ash cloud or evidence of ash on the airframe, wings or engines".

BBC: NI flights cancelled as ash cloud approaches

Sad to say the ash was no longer lodged in my memory banks when news first broke of this new threat to our woodland.

BBC: The heartbreak of watching the slow death of ash trees