| 释义 |
buttress thread
buttress thread n (General Engineering) a screw thread having one flank that is vertical while the other is inclined, and a flat top and bottom: used in machine tools and designed to withstand heavy thrust in one direction buttress thread
buttress thread[′bə·trəs ‚thred] (design engineering) A screw thread whose forward face is perpendicular to the screw axis and whose back face is at an angle to the axis, so that the thread is both efficient in transmitting power and strong. |