Elevations of adjacent walls shall be maintained during laying chamber wall and they shall be checked and readjusted layer by layer during laying upper walls to keep chamber top in one level.
在砌筑炭化室墙的过程中，应随时注意保持相邻墙之间的标高，并在砌筑上部炉墙时，细致检查，逐层调整，保持炭化室顶部一致。
Elevations of adjacent walls shall be maintained during laying chamber wall and they shall be checked and readjusted layer by layer during laying upper walls to keep chamber top in one level.
在砌筑炭化室墙的过程中，应随时注意保持相邻墙之间的标高，并在砌筑上部炉墙时，细致检查，逐层调整，保持炭化室顶部一致。
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