小圆片的前表面应与胶合板的表面平齐。
The front of the disk is flush with the surface of the board.
这些名词所共有的中心意思是。头部的前表面。
The central meaning Shared by these nouns is. The front surface of the head.
在喷涂主漆前，应在物品的表面刷一层底漆。
A coat of primer should be made over the bare surface before the main painting.
油漆木器前， 先用砂低把表面磨毛糙。
Before painting the wood, roughen the surface with sandpaper.
片状镍粉的表面改性是应用前的重要环节。
Nickel powder surface modification is the important part before being applicated.
这是在栅栏前止步，在其表面滑过。
涂装面漆前，可能需要轻轻打磨表面。
Finish painting before, you may need to gently polish the surface.
该产品使用前，须充分摇匀，然后洒于石材表面；
Shake up it before using. Then spray it on the stone surface;
焊丝在使用前应清除其表面的油污，锈蚀等。
开始涂刷前保持表面没有游离的残留物是非常重要的。
A residue free surface is essential before coating application begins.
施工前确认表面清洁干燥。
Be sure that the surface is clean and dry prior to application.
喷涂前应先把被涂物表面之 水份、油脂、铁锈、灰尘及附着污物清除干净。
Clean water, oil, rust, dust and other filths before spraying the paint on the surface.
喷涂前应先把被涂物表面之 水份、油脂、铁锈、灰尘及附着污物清除干净。
Clean water, oil, rust, dust and other filths before spraying the paint on the surface.
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