短语词组短語bed of coke breeze 焦炭渣墊層bed coke height 底炭高度coke bed 底焦;焦牀;焦炭底牀;繙譯height of coke bed 底焦高度coke bed filter 焦炭過濾牀coke bed preheating 焦粒焙燒coke bed height 底焦高度 返回 bed coke