- hermeticallysealedtankcarhermetically-sealedsuperminiatureelectromagneticrelayhermetically-sealedsuperminiaturetemperaturerelaythisbagishermeticallysealed.Theprobeunitishermeticallysealed.Pressureadjustmentofhermeticallysealedrelayspringbylaser-formi...
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- hermeticallysealedtankcarthisbagishermeticallysealed.Theprobeunitishermeticallysealed.Pressureadjustmentofhermeticallysealedrelayspringbylaser-formingCementandconcreteshallbetransportedinhermeticallysealedtankcar.Thebatteriesaredesignedtobeleak-proof...
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