多孔性硬镀铬 porous chrome hardening

硬镀铬的 Hard chrome plated

镀硬铬 Hard Chrome Plating ; electroplating hard chrome ; chromium plating

硬镀铬滚筒 hartverchromter Zylinder

硬质镀铬工具 hard chromium plated tool

镀硬铬. Hard Chrome Plating

镀硬铬催化剂 HVEE

硬铬镀层 [化工] hard chromium

合金钢镀硬铬 Alloy steel with HCP ; Alloy steel HCP