1-1/8-4ACME-2G-LH是什么螺纹,螺距是多大? ASTM A276 410 是什么材质? 公称直径1-1/8英寸,每英寸4牙的左旋(LH)\单线的美制一般用途爱克母螺纹.螺距25.4mm/4=6.35mm
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深圳市南山区西丽大学城北大校区国际法学院大楼410室 01 院校概况 PART 1 院校简介 ◉北京大学国际法学院(Peking University School of Transnational Law, 简称“STL”)位于北京大学深圳研究生院,是全球唯一同时提供英文授课的普通法J.D...