表面的凸起 meaning in English
bump
Examples
- Our electropolishing technology method is a way of realizing a smooth and shiny metal surface not by adding something to the original surface but by taking something away . essentially , the technique involves shaving off the burrs and convex parts of the surface
这不是采用粘着金属表面的办法，而是相反的通过刮平金属表面的凸起和凸面，来制作出平滑光泽表面的电解研磨法。