Terms for subject Plastics containing thread of

English	Chinese
bottom of thread	螺纹的根部
crest of thread	螺纹齿顶
decreasing depth of thread	螺槽渐减深度〈螺杆〉
depth of a thread	螺纹深度
depth of thread	螺槽深度
diameter of thread	螺纹直径
form of a thread	螺纹牙形
form of a thread	螺纹断面形状
height of thread	螺纹高度
number of threads	纱线数
number of threads	螺纹数
outside diameter of thread	螺纹外径
pitch of screw thread	螺距
single depth of thread	螺纹单深度