Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/7e6e387a6e2eff9ee627d96ea74097e7.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.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_歐米惠必应词典
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. 利用陝北低變質煤爲原料進行低溫乾餾,得到半焦及煤焦油、煤氣等産品,是目前陝北地方煤化工的主要工藝。