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.
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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