high grade coal发音

意思翻译

高品位煤；优质煤炭

相似词语短语

high-grade───adj.高级的；优质的

coal───n.煤；（尤指燃烧着的）煤块；木炭；v.供煤；采煤，提炼煤；把……烧成炭；加煤

grade───n.年级；等级；成绩；级别；阶段；vi.分等级；逐渐变化；n.(Grade)人名；(英)格雷德；(法、德、西、葡、塞、瑞典)格拉德；vt.评分；把…分等级

standard coal───[矿业]标准煤

metallurgical coal───冶金用煤，炼焦煤；冶金用煤；冶金煤；炼焦煤

bituminous coal───n.生煤；[矿物]烟煤；沥青煤（等于softcoal）

get grade───获得分数

grade five───五年级

filaments grade───长丝等级

双语使用场景

Generally speaking, the coal of power plant is low-grade, high-ash (the low content of fixed carbon) and the effect of direct gasification is bad.───一般说来，电站煤质的品位低、灰含量高(低的固定碳含量)，直接气化效果很差。

The Ohio river has been called the American Ruhr, As in Germany, the area along the river is rich in valuable deposits of high-grade coking coal and is well known for its steel industry.───俄亥俄河被称作美国的鲁尔河，就像德国一样，沿河有丰富的高品质的炼焦煤，并且因其钢铁而著名。

Australian coal is a high grade coal sort, boasting high volatile matter content, high calorific value, and low ash content.───澳大利亚煤(澳煤)是具有高挥发分、高热值、低灰分等特点的优质动力煤。

This triangle area so coronal with " gold " word, it is so-called " black gold " reserves of high grade coal is rich, the 2nd;───此三角区所以冠以“金”字，一是号称“乌金”的优质煤储量丰富，全国第二；

英语使用场景