含氟润滑剂

电信专业英英词典K

Key Telephone System (KTS) KTS is an arrangement of multi-line telephones and associated equipment that permits the station user to depress buttons (keys) to access different central office or PBX lin

发表于:2019-01-03 / 阅读(80) / 评论(0)

电信英语

VOA标准英语2010年-Coal Burning Linked to Fluoride Diseas

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(117) / 评论(0)

VOA标准英语2010年(十)月

【英语时差8,16】为什么特氟隆很滑

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(276) / 评论(0)

英语时差8，16

英语博客：Oil change at Oil Can Henry's.

I got a phone call from my husband the other day, Hey babe, can you take the car to get the oil changed please? It's overdue. As he works forty-five minutes from town, he rarely has time to run those errands back in Wenatchee, so he gets his secretar

发表于:2019-02-17 / 阅读(119) / 评论(0)

英语博客 A cup of English

英语听力文摘 English Digest 197、特氟隆为何如此滑

Why Teflon Is Slippery？ 1954年，法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想，觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上，效果一定不错

发表于:2019-02-24 / 阅读(144) / 评论(0)

英语听力文摘 English Digest

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学英语单词

average temperature value

banker's acceptance bill

barrel bulk, barrel-bulk

Basak

bilge and ballast general service pump