The paper introduces the present situation, Charac-teristice, principle and typical process flow of SO_2 gassing hardening cold box process in our country.
文章介绍了我国目前SO_2吹气硬化冷芯盒制芯的现状、特点、原理及典型的工艺流程；
This paper investigates the rational decrease of hardening heating time of 45 steel parts in the box furnace.
本文研究了合理缩短45钢件在箱式炉中淬火加热时间。
Tip: Stick a slice of bread inside an opened box of brown sugar to keep it from hardening.
小贴士：将切片面包侵下红糖，可以防止面包变硬。
ZC Series quenching tank, mainly for electric Well, the electric car, box-type furnace, molten salt, and other electric furnace heated hardening of the workpiece use.
主要供井式炉、台车炉、箱式炉、盐浴炉等各种电炉加热后的工件淬火使用。
ZC Series quenching tank, mainly for electric Well, the electric car, box-type furnace, molten salt, and other electric furnace heated hardening of the workpiece use.
主要供井式炉、台车炉、箱式炉、盐浴炉等各种电炉加热后的工件淬火使用。
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