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- Strew sawdust before painting. 刷漆之前先撒些锯末。
- Rub the walls down well before painting them. 先把墙面打磨光滑再粉刷。
- Before painting the wood, roughen the surface with sandpaper. 油漆木器前，先用砂低把表面磨毛糙。
- She scraped the door down before painting it again. 她在重新漆门之前，先把门刮净。
- Scrub the walls down well before painting them. 在油漆前先把墙擦干净。
- Rub the surface with sandpaper before painting. 用砂纸打磨表面，然后再上油漆。
- Wash down the walls before painting them. 先把墙冲洗后再粉刷。
- Scrub the walls down before painting them. 先把墙刷乾净再上漆.
- Scrapedthe wallpaper off before painting the wall. 在墙上涂油漆前把壁纸刮掉。
- You must weld and grind this area before painting. 在油漆之前你必须把这个地方电焊修补、磨好。
- Before painting the wood,roughen the surface with sandpaper. 油漆木器前，先用砂低把表面磨毛糙。
- Steel surfaces are subjected to wetting before painting. 底材表面在涂装前受到湿润。
- She made aof the landscape in pencil before painting it. 他画风景之前先用铅笔打了草稿.
- Remove dust and dirt by high-pressure air before paint application. 用高压空气吹扫除去灰尘等污物。
- We were very tactical and always scooped very thorough before painting. 我们非常战术，始终收购之前绘画非常透彻。
- It used before electroplating to improve the adhesion of coat,before painting to enhance the pigmentation. 在电镀前处理，可增强镀层的附着力，在喷漆前处理，可增强油漆的着色力。
- A thin mattress filled with straw or sawdust. 木屑床垫填满草杆或木屑的一床薄垫子
- Let's clean down the board before we paint it. 让我们在上漆以前把这块板洗干净。
- No rainwater / dew exist on the completed mental before paint the primer. Otherwise, re-work for sandblast. 若喷砂完成后的钢铁已经存放过夜，在第二天上底漆前必须再次进行轻度喷砂。
- A couple of days before painting Mr. Domingo, Mr. Schnabel sorted through the summer's work with the help of some black-clad assistants. 在画多明哥几天前，施纳贝尔在一些黑衣助理协助下，把夏季画的作品分门别类。
