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密封
environ. تغليف (用一种材料将污染物密封起来以防止泄漏到环境中。)   ؛خَتم - الإغلاق بخاتم (封住,使不漏水,防水。)
food.ind., sec.sys. سداد محكم   ؛غلق سدود
leath. التشميع
密封: 37 phrases in 9 subjects
Accumulators2
Agriculture1
Cables and cable production6
Electric machinery3
Environment4
Food industry6
International Monetary Fund1
Packaging13
Soil science1