The feature of machining harden steel by means of EHM are: it can utilize the carbide tool to machine the harden steel in engine lathe.
采用导电加热切削技术切削淬硬钢的特点在于：可以采用普通机床、硬质合金刀具对淬硬钢进行硬车削加工。
Recommended substrate: harden PC, harden PMMA, the surface of UV coating, electroplating layer, stainless steel, stone, marble, glass, etc.
适用基材：加硬pc，加硬pmma,UV漆面，电镀面，不锈钢，石头，大理石，玻璃等。
At the same time, the relationship between the physical-chemical properties of the harden paste and the hydration age, the pozzolan activity of the fly ash in the harden paste have been discussed.
同时讨论了粉煤灰水泥硬化浆体的物理化学性能与水化时间的关系，以及硬化浆体中粉煤灰的火山灰活性。
But buy sheet to ask share price harden price again, can appear the 2nd times harden.
但买单再次将股价托回涨停价，就会第二次出现涨停。
But buy sheet to ask share price harden price again, can appear the 2nd times harden.
但买单再次将股价托回涨停价，就会第二次出现涨停。
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