The construction of a new type anti-pitting tappet with a cast hole in its end face and isothermally treated are described.
介绍了端面直接铸孔并进行等温处理的新型抗点蚀挺杆体的结构和热处理工艺；
The construction of a new type anti-pitting tappet with a cast hole in its end face and isothermally treated are described.
介绍了端面直接铸孔并进行等温处理的新型抗点蚀挺杆体的结构和热处理工艺；
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