We can replace this by plaster with the arm in flexion .
我们可以用石膏来替代它，把上臂固定于屈曲位。
"UooHoo" brand gypsum applies to plaster indoor walls leveling. mainly used in aerated concrete blocks and walls, ceilings, and indoor wall plaster with various materials.
优好牌粉刷石膏适用于内墙找平抹灰，主要应用于加气混凝土砌块、混凝土墙体、室内顶棚、各种材质的内墙抹灰。
In this study, tests for initial setting time of plaster are conducted by adopting plaster with 4 different initial setting times and by adding s type retarder for plaster.
本研究采用四种不同初凝时间的建筑石膏，掺入S型石膏缓凝剂，进行了初凝时间的试验。
The test results show that the quicker the initial set of plaster the greater the difference between the initial setting times of the plaster with addition of s type retarder.
试验结果表明，所用建筑石膏的初凝时间愈快，掺有S型缓凝剂后其初凝时间差愈大。所以，初凝时间差不宜作为石膏缓凝剂的缓凝效果指标。
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。
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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