针对测量领域深孔表面粗糙度测量存在的问题，研制了一种便携式微控表面粗糙度检测仪。
As for the problem of surface roughness measure of deep hole in measure field, developed a kind of portable micro-control surface roughness instrument.
针对测量领域深孔表面洛氏硬度测量存在的问题，研制了一种便携式微控表面洛氏硬度计。
As for the problem of surface Rockwell hardness measurement of deep hole in measurement field, this article develops a kind of portable micro-control surface Rockwell apparatus.
对唐山建龙实业有限公司SPHD深冲钢冶炼过程中的控硫技术进行了分析。
It is analyzed the controlling-sulfur technique in smelting of SPHD deep drawing steel.
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