At a surface exposure the host rock dips steeply to the east.
在一个露头处，含矿主岩向东陡倾。
The exposure in different sits of body surface inroentgenologists was lower than the permissible level.
放射科医生体表各部位的照射量均低于容许水平。
Most ceramics develop surface microflaws after exposure to the oral environment.
大多数瓷粉系统暴露在口腔环境后在表面会出现微缺陷。
Most ceramics develop surface microflaws after exposure to the oral environment.
大多数瓷粉系统暴露在口腔环境后在表面会出现微缺陷。
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