shrinkage pipe

铸造学词典-S(1) ... 缩孔(铸疵) shrinkage hole 缩管(铸疵) shrinkage pipe 收缩气孔巢(铸疵) shrinkage porosity ...

直角三角形_馆档网 ... "收缩尺度"," shrinkage measure" "收缩管"," shrinkage pipe" "铸造尺,收缩尺"," shrinkage rule" ...