他们的电池已经被用在需充电的电力工具里,这些工具往往在非常恶劣的环境中工作,并需要很大的电量。
The batteries are being sold for use in rechargeable power tools, which require large bursts of power and are often operated in harsh environments.
他在一个环境出了名恶劣的煤矿里工作。
He worked in the notoriously unhealthy environment of a coal mine.
他在一个环境出了名恶劣的煤矿里工作。
He worked in the notoriously unhealthy environment of a coal mine.
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