单词：pitch coal
pitch coal的用法和样例：
例句
- The yield,distillation range , elemental composition and other properties ofsolid heat carrier retorting tar from Shenfu coal were determined.本文对神府煤固体热载体新法干馏焦油的性质和组成进行了研究。
单词：pitch coal 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
英语新闻
Idiom: Make a pitch ( make a proposal ) Hit the book: Veterinarian Drowning Scary Yell Labrador Retriever Kangaroo Sanctuary
趣味青春英语
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
英语新闻
今天我们要学的词是pitch。Pitch可以是推销的意思，既可以作名词也可以作动词。At the World Economic Forum in Davos, Russia's Prime Minister Dmitry Medvedev made a strong pitch for foreign investment in Russia. 在达沃斯世
英语单词荟萃
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
实用英语
今天介绍的俚语是pitch in，pitch in是什么意思呢？最常见得意思是一起帮忙，做出贡献(to join in and help someone with something). 例句： If you could pitch in a little we'd be finished quicker. 如果你能帮忙一下，
美国俚语