登录
a facility that transforms voltage levels and regulates electrical currents, typically situated in an electrical power distribution system
变电站
an electric device that is used to increase or decrease the voltage of an alternating current
变压器（电力设备）
a chemical reaction between a fuel and an oxidizing agent, typically producing heat and light
燃烧
a method used to extract natural gas or oil from deep underground by injecting high-pressure fluid to fracture rock formations
水力压裂
a pipe, tube, or channel that is used to protect, enclose, or route electrical wires, cables, or other utilities for the purpose of safe and organized transmission
电气导管
an electric current that reverses direction periodically, typically used in power distribution systems due to its efficiency in long-distance transmission
交流电
a type of fuel made from living matter, such as plants or waste, that can be used as a renewable energy source
生物燃料
a gas, especially methane, that is produced as a result of the decomposition of animal or plant remains, which is used as fuel
沼气
