单词	杜淑贞
释义	杜淑贞 Tu Su-chen 1948-
随便看	high-speed srams high speed stall high speed stamping high-speed stamping High speed stamping shearing machine high speed starting high-speed starting high -speed starting high speed static copy paper high speed static pressure bearing high speed steam engine high-speed steam engine high-speed steam-engine high speed steam locomotive high speed steel high-speed steel High-speed steel high -speed steel high speed steel bit high-speed steel bit high-speed steel broach high-speed steel bush high speed steel compound roll high speed steel cutter high-speed steel cutting tools