金属粉末流动性测定仪

metal straddling dowel

TAPPING metal or other material [= screw-threading]

technology of light metal【材】

treatment of metal SURFACE(S) to obtain special effects or finishes

metal sponge floor-scraper

paper-metal-compound foil

sizing sheet (sheet metal) (plate)

feed by means of turn-tables in non-cutting metal working