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Terms for subject Ecology containing seal | all forms | exact matches only
EnglishChinese
contamination seal防污染密封
environmental seal of approval环境合格标记
environmental seal of approval合乎环境要求标记
loop seal回路水封
O-ring seal密封胶圈
seal pot密封罐
silicon seal密封胶圈
under seal盖上公章

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