de-gassed
de-gassed — 動詞
- de-gassedpresent simple I / you / we / they
- de-gasseds3rd person singular
- de-gasseding-ing form
- de-gassededpast simple
1. to remove dissolved or trapped gas from a solid, liquid, or enclosed space — for
排氣；除氣
移除固體、液體或容器中的氣體
to remove dissolved or trapped gas from a solid, liquid, or enclosed space — for example, taking air bubbles out of a plumbing system before use, or clearing harmful gas from an industrial container so it becomes safe to work on.
The lab technician de-gassed the vacuum chamber before starting the experiment.
實驗室技術員在開始實驗前先將真空腔體排氣。
de-gassed + noun phrase (equipment before use)
Factory workers de-gassed the storage tank slowly to prevent any dangerous sparks.
工廠作業員緩慢地將儲存槽中的氣體排出，以避免產生危險火花。
Before welding the old pipe, the plumber made sure it had been properly de-gassed.
在焊接舊水管之前，水電工確認管子已經確實除氣完畢。
The fire crew de-gassed the damaged cylinder before moving it to a safe area.
消防人員先將受損鋼瓶內的氣體排除，再將其移至安全區域。
- vent
less formal; often describes letting gas escape naturally rather than actively removing it
- purge
common in industrial settings; sometimes implies replacing gas with another substance (e.g., purging a pipe with nitrogen)
- evacuate
more formal/technical; usually used for removing all air/gas from a sealed container or chamber
- pressurise
to fill a container with gas under pressure, the opposite of removing gas
- gas
to introduce gas into a system
文法句型
de-gassed + noun phrase
用法筆記
Almost always used in technical or industrial safety contexts. The passive form ('was de-gassed', 'had been de-gassed') is common because the focus is usually on the result rather than who performed the action.