四级The residents are billed by "net metering": they pay for the amount of power they tap off the grid, less the kilowatts (千瓦) they feed into it.
居民按“净计量”计费:他们支付从电网中取电的电量,减去千瓦(千瓦) 他们在里面吃东西。
2013年6月阅读原文
六级According to Harry Vallentine, a Canadian engineer who is researching modern steam technology, a special tank measuring 2 by 10 metres could store over 750 kilowatt hours of energy as high pressure steam, enough to pull a two-cart train for an hour or so.
据正在研究现代蒸汽技术的加拿大工程师哈里·瓦伦斯汀(Harry Vallentine)说,一个2×10米的特殊水箱可以储存750千瓦时以上的高压蒸汽能量,足以拉动一列两辆大车的火车一个小时左右。
2018年12月六级真题(第二套)听力 Section C
四级The residents are billed by "net metering": they pay for the amount of power they tap off the grid, less the kilowatts (千瓦) they feed into it
居民按“净计量”计费:他们支付从电网中取电的电量,减去千瓦(千瓦) 他们在里面吃东西
2013年6月阅读原文
四级The residents are billed by “net metering”: they pay for the amount of power they tap off the grid, less the kilowatts (千瓦) they feed into it.
居民按“净计量”计费:他们支付从电网中接入的电量,减去千瓦(千瓦) 他们给它喂食。
2013年6月大学英语四级考试真题(第1套)
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