A new pneumatic switch was developed in order to meet the requirements of special electric test for simulated oil-impregnated paper insulation system.

为满足油纸绝缘模拟结构的特殊电气性能试验的要求 ，研制了新颖的气动开关。

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Much of the avoided energy consumption will come from the switch to carbon-neutral district heating (rural households will switch from oil, natural gas, and electric heating to heat pumps and biomass burners).

FORBES: Project Zero: A Roadmap For Local Energy Security And Carbon Neutrality In Southern Denmark