闭附气 occluded gas
章鱼状石墨 octopus graphite
嵌模板 odd side board
规格外合金 off grade metal
失败炉次 off heat
不合尺寸 off-dimension
上砂箱支框 offfset
油质黏结剂 oil biner
油砂心 oil bounded core
燃油炉 oil fired furnace
油炉 oil furnace
油泥砂浆 oil loam
章鱼状石墨 octopus graphite
嵌模板 odd side board
规格外合金 off grade metal
失败炉次 off heat
不合尺寸 off-dimension
上砂箱支框 offfset
油质黏结剂 oil biner
油砂心 oil bounded core
燃油炉 oil fired furnace
油炉 oil furnace
油泥砂浆 oil loam
油砂模 oil sand mold
油粉浸渗试验(裂痕检出试验) oil-chalk test
橄榄石砂 oliving sand
单件模型 one-piece pattern
外缩孔(铸疵) open cavity
开放砂心头 open coreprint
露焰炉 open flame furnace
平炉炼钢法 open hearth process
浇桶置冲法 open ladle method
敞模,露天模 open mold
明冒口 open riser
敞模铸造 open sand casting
敞砂模 open sand mold
敞砂模法 open sand molding
明补给口(明侧冒口) open top feeder
明侧补给口(明侧冒口) open top side feeder
操作钮 operating knob
合用应力 operating stress
操作,作业 operation
作业准备日程 operational scheduling
最适水分(模砂) optimum temper moisture
欧氏气体分析器 Orsat-[gas] apparatus
工作大纲图表 outline process chart
椭圆导套 oval bush
炉内硬化(砂模) oven curing
过浸蚀 over etching
溢流口(压铸) over flow well
过搅拌(熔铜除氧) over poling
烧熟料 overburnt material
外伸砂心头 over-hang
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