挡渣坝 dam挡渣口浇桶 dam type lip ladle挡板 damper制震能 damping capacity1.火砖灰 2.吸湿灰 daub火砖灰修补 daubing烧僵;僵烧 dead burning僵土 dead clay冒口 dead head极软钢 dead soft steel脱碳 decarburization砂心清砂 decoring除尘 dedusting深蚀 deep etching铸疵 defect铸疵试验 defect test挠度;挠曲 deflection挠度试验 deflection test变形 deformation除气 degasification除气剂 degasifier除气 degasifying除气 degassing除气退火 degassing anneal除气熔剂 degassing flux除氢;脱氢 degassing of hydrogen除脂 degreasing碱度(炉渣) degree of basicity自由度 degree of freedom成熟度 degree of normality纯度 degree o