短語(yǔ)詞組短語(yǔ)direct unlubricated extrusion method 不加潤(rùn)滑的正向擠壓法direct extrusion molding 直接擠出成型Direct extrusion -ECAP 正擠壓cone -die direct extrusion 錐形模正擠壓extrusion direct 順擠;沖擠;嵈 返回 direct extrusion