shrinkage hole

短语词组

短语

• shrinkage hole and slack 缩孔缩松
• shrinkage hole porosity 缩孔
• reduction shrinkage hole 还原收缩孔
• shrinkage hole and shrinkage marks 缩孔缩痕
• hole shrinkage 缩径;井眼缩径
• shrinkage stoping with shallow hole 浅孔留矿
• shrinkage stoping with short hole 浅孔留矿法
• shallow hole shrinkage method 浅孔留矿法
• shallow -hole shrinkage 浅孔留矿法
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