也许你要把建造通量电容器的计划搁置下来：实验室下的大爆炸理论模型表明时间旅行也许根本不可能。
You may want to put plans for building that flux capacitor on hold: a "toy" big bang created in the lab suggests time travel may not be possible after all.
许多机械室和校园内部变压器等含有多氯联苯的电容器和开关等电气设备的金库。
Numerous mechanical rooms and electrical vaults on campus house transformers and other PCB-containing equipment such as capacitors and switches.
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