气净化设备

新编英语教程第五册unit01_2_cleaning_up

发表于:2018-12-11 / 阅读(80) / 评论(0)

新编大学英语阅读部分

Gas Shortage Intensifies in Mexico

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(72) / 评论(0)

VOA2003（上）-国际时讯

美国国家公共电台 NPR California Weighs Tougher Emissions Rules For Gas-Powered Garden Equipment

AUDIE CORNISH, HOST: Think about some of the things that spew nasty contaminants into the air - automobiles, power plants. How about leaf blowers? Those annoyingly loud, gas-powered, backpack-like machines are about to pass cars as the worst air poll

发表于:2019-01-16 / 阅读(57) / 评论(0)

2017年NPR美国国家公共电台3月

China to accelerate shale gas industrialization

BEIJING, June 25 (Xinhua) -- A senior Chinese official on Monday called for the country to speed up mass production of shale gas with its own technologies to ensure adequate energy supply. Efforts must be made to achieve early breakthroughs in the ap

发表于:2019-02-04 / 阅读(82) / 评论(0)

英语新闻

More equipment parts exempted from import tax

BEIJING, March 12 (Xinhua) -- China's Ministry of Finance (MOF) has revised a list of major items of technical equipment enjoying import-tax exemption, according to a circular issued by the body on Monday. Chinese manufacturers of items of large tech

发表于:2019-02-08 / 阅读(68) / 评论(0)

英语新闻

面对危化品隐患，你该怎么办

Housekeeping is crucial to safe workplaces. It can help prevent injuries and improve productivity and morale. 打扫卫生对工作场所的安全至关重要，它有助于预防受伤，提高生产力，提振士气。 The practice extends from tr

发表于:2019-02-13 / 阅读(86) / 评论(0)

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学英语单词

acetylsulfonamide

ambostracon sanjuin

arteriae vesicalis superior

carbon testrachloride fuse

chara coronata a. br.