短语词组短语bed of coke breeze 焦炭渣垫层bed coke height 底炭高度coke bed 底焦;焦床;焦炭底床;翻译height of coke bed 底焦高度coke bed filter 焦炭过滤床coke bed preheating 焦粒焙烧coke bed height 底焦高度 返回 bed coke