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。

youdao

"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。

youdao

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。

youdao

The room has white plaster walls with large ancient pieces of dark wood.

VOA: special.2010.08.04

Next he coats the walls inside and out with layers of clay plaster.

VOA: special.2009.10.05

Workers created a wooden form covered with plaster for each part.

VOA: special.2009.06.29

In the Nasrid Palaces, a palace complex within the palace complex, the combination of building materials (wood, stone, ceramics and plaster) with traditional Islamic forms (intricate calligraphy, stuccoed ceilings and interwoven geometric patterns) reaches a point close to perfection.

BBC: The perfect trip: Andaluc��a

One maalem (or master craftsman), in particular, opened many doors for the decorator: Ma'alem Houman, who was skilled in the brickwork and tadelakt (a glazed plaster mixed with pigment and soap) that Willis brought out of the hammam (or bathhouse) and into Moorish interiors.

WSJ: A Magician from Memphis

Sledge described the operation generously: the rooms teeming to the scrolled plaster ceilings with bud-heavy green stalks, the floor cabled with sprinklers, the walls lined with foil reflectors to maximize the ripening effects of the solar-spectrum lamps, the stereo chattering NPR talk radio to cover the drone of the daytime light banks, and classical music to give the plants a cultural heritage through the cool damp night.

NEWYORKER: Lostronaut