impression plaster [口腔] 印模石膏
The facade surfaces alternate between smooth and rough plaster which, particularly in grazing light, creates a vivid impression.
外墙在光滑和粗糙的灰泥中交替变换，尤其是在耀眼的阳光照耀下，更是一番生动的景象。
Copied the same metal model and 10 impressions were taken in the same way. They were poured in dental stone, comparing the length divergence between dental stone plaster with the impression.
再以同一金属模型为母模，应用玉洁新消毒液调和藻酸盐印模材料制取10个印模，以超硬石膏灌模，比较石膏模型与母模之间指标线段长度差异。
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