unified screw thread gauge  统一标准螺纹规

unified miniature screw thread  统一标准小直径螺纹

unified miniature screw thread gauge  统一标准小直径螺纹规

[screw] thread  螺纹

ACME Screw Thread  射线; 梯形螺纹; 爱克姆螺纹

American National screw thread  美国标准螺纹

American standard screw thread  固结的; 结合; 统一的; 美国标准螺纹

anchor screw thread  锚式螺纹

angle of screw thread  螺纹截形角

British Standard Whitworth Screw Thread  英国惠氏标准螺纹

buttress thread screw  斜梯形纹螺钉

coarse thread screw  粗纹螺钉; 粗螺纹螺钉

connected screw thread  连接螺纹

core with screw thread  螺纹型芯

crest of screw thread  螺纹牙顶; 螺纹顶

cutting the screw thread  螺纹剪切式汽车碰撞吸能装置

double start screw thread  双纹螺纹

double thread screw  双头螺纹

Double-thread screw  双头螺杆