【运输】金属粒子，生产熔化金属的金属粒子

metal straddling dowel

TAPPING metal or other material [= screw-threading]

metal sponge floor-scraper

paper-metal-compound foil

sizing sheet (sheet metal) (plate)

metal ultrahigh vaccum argon analyzer

grab rail for multi-stage presses for non-cutting metal working

metal transfer