smokelessly
常见例句
- An effective system uses fuel that ignites easily, burns as smokelessly as possible.
有傚的加熱系統所用的燃料必須易於引火，燃燒時盡可能無菸。 - 33. An effective system uses fuel that ignites easily, burns as smokelessly as possible.
有傚的加熱系統所用的燃料必須易於引火，燃燒時盡可能無菸。 返回 smokelessly