Chinese ⇄ Portuguese

密封
el., mech.	vedação
environ.	encapsulamento (用一种材料将污染物密封起来以防止泄漏到环境中。); vedações (封住，使不漏水，防水。)

密封: 32 phrases in 6 subjects

Accumulators	2
Cables and cable production	3
Electric machinery	3
Electronics	19
Environment	4
Nuclear physics	1