two-high steamer夹层锅
two-high setup二辊式装置
two-high stand二辊机架
two-high scourer双排洗刷机
two-high mill二辊式轧机;二辊式机座
two-high faces高产高效工作面
two-high type二辊式
two-high roller leveller二重式多辊矫直机
two-high cold mill双辊式冷轧机