Gun-color plating is named because the steel blue color shining with cold tone on the plated surface is similar to, that on the steel gun surface.
枪色电镀因其表面呈现铁灰色、闪现寒光的色调，类似于钢枪表面的光色因而被命名。
High energy density electron beam is employed in surface rapid solidification on Ni plated ti alloy.
采用高能量密度电子束进行了钛镀镍合金表面熔凝处理的研究。
All the tra mi ion axle and rollers are made of high-quality steel with high-precision dynamic balance, plated with rigid chrome and grinded surface.
所有传动轴、辊材质均为优质钢，高精度动平衡校正，镀硬铬、表面研磨。
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