造纸机压榨辊属空心铸造辊。
The press rolls on paper machine belong to hollow casting roll.
如果铸造空心铸件时模型上包含伸长杆便于在砂中放置砂芯的空间称为型芯座。
If a hollow casting is to be made the pattern will include extension pieces so that Spaces to accept the sand core are molded into the sand. These additional Spaces in the mold are termed core prints.
介绍了铁模覆砂铸造大型空心球铁曲轴的工艺。
This paper described the foundry technology of horizontal pouring and solidifying to produce large hollow ductile iron crankshaft cast in sand coated iron mould.
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