The U.S. Environmental Protection Agency has finalized a rule to sharply limit the use of coolant gases known as HFCs.
美国环境保护署最终确定了一项规则,严格限制使用叫作氢氟碳化物的气体冷却剂。
单词 | coolant gas |
例句 |
原声例句
PBS英语讯息 The U.S. Environmental Protection Agency has finalized a rule to sharply limit the use of coolant gases known as HFCs. 美国环境保护署最终确定了一项规则,严格限制使用叫作氢氟碳化物的气体冷却剂。 |
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