roughen

过去式：

动词过去式: roughened

更多词形：

动词过去式: roughened | 动词过去分词: roughened | 动词现在分词: roughening | 动词第三人称单数: roughens |

单词例句：

Short bits of rope yarn inserted into canvas to roughen the surface.

绳屑用于使面变得粗糙而加入帆布中的短线头

You'd better roughen the surface before applying the paint.

你最好先把表面弄毛糙再涂颜料。

A mini-sized sand-blasting gun of ejection-and absorption type,used to clean and roughen the metallic surfaces for thermal spraying.

一种小型的射吸式喷砂枪，可用作喷涂喷焊前的表面清洁毛化处理。

Before painting the wood,roughen the surface with sandpaper.

油漆木器前，先用砂低把表面磨毛糙。

If maximum recoat interval is exceeded, roughen the film surface to ensure the adhesion between layers.

如超过最大重涂间隔，须磨粗表面，以确保漆膜间的附着力。

Research on enhanced or roughen technique runway of V-shaped valley debris-flow

沟谷泥石流护岸、固底与糙底技术研究

If gas permeates the polymer, it can roughen the inner surface of the part when the gas migrates out again.

如果气体穿透到聚合物内，当气体再溜出去的时候会造成内表面粗糙。

As a conventional surface process,grit blasting can be used to clean and roughen metal surface.

喷砂是常用的金属表面处理方法,可起毛化和清洁作用,如作为热喷涂涂层的预处理工艺。

To irritate or roughen by rubbing

通过摩擦使变粗糙或激怒