单词:coal screen
单词:coal screen 相关文章
According to the latest data from the General Administration of Customs (GAC), China's net import(净出口) of coal hit 103.43 million tons in 2009. Last year, China exported 22.40 million tons of coal, down 50.7 percent year on year, while its coal
今天我们给大家介绍两个以 smoke为主的常用语。首先我们要讲的是:To go up in smoke. 大家知道,smoke就是烟。To go up in smoke是指某项工程,或某个交易没有取
BEIJING, Feb. 25 (Xinhua) -- China's safety watchdog said Monday it will no longer approve new coal mines that do not meet production capacity requirements in 2013 in order to ensure work safety. High-gas coal mines with an annual production of less
BEIJING, Oct. 12 (Xinhuanet) -- Children who spend hours each day watching television or playing computer games have more psychological(心理的) difficulties than those who don't, according to a study published in the US journal Pediatrics(小儿
今天我们要学的词是screen。 Screen, 有检查的意思。All women over 50 should be screened for breast cancer regularly, 凡是五十岁以上的妇女都要定期进行乳腺癌的检查。 美国全国铁路客运公司将首度开始对乘
中国富煤缺油少气的能源资源特点,造成能源消费主要依赖于煤炭,石油则主要依靠进口,而且带来一系列环境问题。煤清洁转化技术则可以帮助缓解这一难题。近日专家表示,我国将在2020年