一氧化碳监测仪

EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer

EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer That Causes Death and Injuries Throughout the World By Marilyn Christiano Broadcast: Wednesday, November 02, 2005 (MUSIC) VOICE ONE: This is

发表于:2018-12-01 / 阅读(90) / 评论(0)

Explorations

VOA慢速英语2011-Avoiding the Danger of Carbon Monoxide Po

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. CHRISTOPHER CRUISE: And I'm Christopher Cruise. Winter has brought cold weather to many areas in Earths northern hemisphere. With the cold comes a danger as old as

发表于:2018-12-15 / 阅读(35) / 评论(0)

2011年VOA慢速英语(一)月

365个英语简短小故事- 19. Carbon Monoxide

Helen stepped outside her front door to see what the weather was like. It was sunny and warm. That was nice, because for the past two weeks it had been cold and rainy. It had been so cold that she had had to turn her heater on. She was lucky, because

发表于:2018-12-31 / 阅读(54) / 评论(0)

365个英语简短小故事

VOA慢速英语2010年-Science in the News_ How to Avoid Carb

FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with

发表于:2019-01-11 / 阅读(189) / 评论(0)

2010年慢速英语(二)月

VOA慢速英语2015 可预防的一氧化碳中毒每年仍夺去许多生命

AS IT IS 2015-05-11 Preventable Carbon Monoxide Still Claims Many Lives 可预防的一氧化碳中毒每年仍夺去许多生命 Many areas around the world suffer from frequent loss of electrical power. People often must use other sources of power,

发表于:2019-01-12 / 阅读(41) / 评论(0)

2015年VOA慢速英语(五)月

Carbon monoxide kills 12 in NE China mine

HARBIN, Jan. 31 (Xinhua) -- Carbon monoxide has been blamed for the Tuesday deaths of 12 workers in a coal mine in northeast China's Heilongjiang Province, a local official said Thursday. Three workers entered the Yongsheng mine in Dongning County to

发表于:2019-02-08 / 阅读(86) / 评论(0)

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additive norm

adjusted bank balance of cash