可作为石油化工换热设备的优质防护镀层。
It should be a good protecting plating layer for use in processing heat exchange equipment.
对超高强度钢的氯化铵镀镉与无氰镀镉-钛两种防护镀层进行了对比研究。
The performance of Cadmium plating from ammonium chloride bath and Cd-Ti plating from non-cyanide bath on super high-strength steels were discussed.
由机械将双线绞合编织成多绞状、六边形网目的网片，其双线绞合部分的长度应不小于5cm，以不破坏钢丝的防护镀层。
The machinery will be woven into double stranded twisted hexagonal shape, multi mesh mesh, the double stranded part length should be less than 5cm, the protective coating without damaging the wire.
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