... 电磁式仪表 electromagnet instrument; electromagnet type meter; electromagnetic meter; electromagnetic type meter; moving iron instrument; soft iron meter 电动式仪表 dynamometertype instrument; electro dynamometer type meter; electrodynamic instrument; electrodynamic instument; electrodynamic meter; electrodynamic type meter; electrodynamic-type meter; electrodynamometer type meter 电解式仪表 electrolytic i trument; electrolytic instrument ...
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