If maximum recoat interval is exceeded, roughen the film surface to ensure the adhesion between layers.(如超過最大重涂間隔，須磨粗表面，以確保漆膜間的附著力。)

Inferior smooth, wooden furniture, such as stainless steel workpiece surface, the surface of the ground glass decorative pattern design, and roughen the processing on the surface of the fabric.(如不銹鋼工件、木制家具表面亞光化，磨砂玻璃表面的花紋圖案，以及布料表面的毛化加工等。)

A mini-sized sand-blasting gun of ejection-and absorption type, used to clean and roughen the metallic surfaces for thermal spraying.(一種小型的射吸式噴砂槍，可用作噴涂噴焊前的表面清潔毛化處理。)

You'd better roughen the surface before applying the paint.(你最好先把表面弄毛糙再涂顏料。)

By sanding the split leather surface to roughen it up.(是通過打磨分割層皮革的表面，使它變粗糙而得到的。)

Its synchronous construction process includes milling and planing the concrete bridge surface to roughen, cleaning and blasting with special apparatus;(施工方法，采用專用設備對混凝土橋面板表面浮漿進行銑刨、拉毛或鑿毛、清掃、吹凈處理；)

The results show that the two-step method can effectively remove Co on the cemented carbide substrates and obviously roughen the surface of the cemented carbide substrate.(研究表明，兩步混合處理法不僅可以有效的去除硬質合金基體表面的鈷，而且，還可顯著粗化硬質合金襯底。)

These ingredients can cause bleeding under the nails, discolouration and can roughen the smooth texture of the nails.(這些成分可引起指甲下出血，變色，甚至使原本質地光滑的指甲變得粗糙。)

Before painting the wood, roughen the surface with sandpaper.(油漆木器前，先用砂低把表面磨毛糙。)

Roughen the surface before applying the paint.(先把表面弄毛糙再涂顏料。)

Its rude hair Roughens the wind that lifts it.