Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/bfca225137da09e388a89026d1f24359.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 coal carbonization gas例句_coal carbonization gas英汉例句_coal carbonization gas双解例句_甲百汇小鸡词典
The main way to process local produced coal is carbonization at lower temperature with semicoke, coal tar, coal gas, and so on as the products. 利用陕北低变质煤为原料进行低温干馏，得到半焦及煤焦油、煤气等产品，是目前陕北地方煤化工的主要工艺。