短語詞組短語thread -rolling method 滾搓法Thread rolling machines -Specifications 滾絲機(jī)thread rolling double -ended 搓絲雙頭screw -thread rolling machine 螺紋滾軋機(jī)Thread Rolling Self -Tapping Screws 三角牙螺絲Self -Tapping Screw-Thread Rolling 三角牙螺絲plate -type thread rolling machine 板式滾絲機(jī) 返回 thread rolling