密封电路 meaning in English

potted circuit

Epoxy sealed circuit
.环氧树脂密封电路
Banner extremely harsh environment design of products aimed at companies with a solid stainless steel shell casing or fiber reinforced thermoplastic materials , and durable resin sealed and waterproof circuit design
邦纳公司针对极其恶劣环境设计的产品具有坚固的不绣钢外壳或纤维加固热塑材料外壳，以及耐用的树脂密封电路及防水设计。