threading slot 穿过槽...threading tool 螺纹刀具,螺纹工具...self-threading cartridge 自动穿带盒式磁带机;自动穿带卡...threading unit 螺纹车床...self-threading tape 自动穿带...threading lathe 螺纹车床...threading die 螺纹扳牙;螺纹模盘...pipe threading machine 管螺模机...self-threading reel 自穿过卷轴...pipe threading 管口车丝...
交流互动
发表言论