a. 镀铬的

chromium-plated four-purpose vernier calipers

chromium-plated inside micrometer calipers

chromium-plated universal bevel protractor

chromium-plated part

chromium-plated mild steel animal chain

chromium-plated tooth thickness calipers

chromium-plated brass bib cock for urn

chromium-plated thin-walled steel cylinder liner