常见例句雙語例句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。 返回 coal carbonization gas