... 封闭管炉 sealed tube furnace 封闭管式熔断器 enclosed tubular cut-out 有填料封闭管式熔断器 powder-filled cartridge fuse ...
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有填料封闭管式熔断器 powder-filled cartridge fuse ; filled cartridge fuse ; closed tube fuse with patch seal
无填料封闭管式熔断器 no powder-filled cartridge fuse
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