Inoculation effects of RE-containing inoculant used for cylinder castings of piston rings was studied.

研究了稀土复合孕育剂在灰铸铁筒体活塞环中的孕育效果。

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Inoculation effects of RE-containing inoculant used for cylinder castings of piston rings was studied.

研究了稀土复合孕育剂在灰铸铁筒体活塞环中的孕育效果。

youdao