- contaminationcontamination 油污
radioactive contamination 放射性污染
microbial contamination 微生物污染
food contamination 食品污染
cross
- degreasevt. 脱脂,除油污时 态: degreased, degreasing, degreases
名 词: degreaser
- unclogvt. 使畅通；清除油污；扫除…的阻碍
时 态: unclogged, unclogging, unclogs
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