仔细打磨机体、瓦盖的飞边、毛刺，检查有无碰伤，重点是瓦盖与机体的开档座

仔细打磨机体、瓦盖的飞边、毛刺，检查有无碰伤，重点是瓦盖与机体的开档座面、孔径等，并擦洗干净。

結果 (英文) 1:

Carefully sanding block, tile covered Burr, Burr, check for scratches, with an emphasis on open, aperture of the lid and the body, and scrubbed clean.

結果 (英文) 2:

Carefully polished body, fly tiling, burrs, check for bumps, focusing on the lid and the body of the tile will open seat surface, aperture, etc., and scrub clean.

結果 (英文) 3:

Carefully burnish machine, tile burr, burr, check whether there is damage, especially tile and body opening seat surface, pore size, and scrubbed clean.