carbonous
/ˈkɑːbənəs/relating to or consisting of or yielding carbon
adjective [原级]碳的；含碳的
Moreover, re elements can fine the structure of the layer, improve precipitating carbonous chromium nitride formed and increase the hardness of the layer.
而且稀土元素显著地细化渗层组织，促进氮碳化合物弥散细小析出，提高渗层硬度。
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