bearing surfaces

基本解释

In order to check the serviceability of a wood-beam ceiling one will always inspect the bearing surfaces but will not remove the entire ceiling cladding.
为了验证原来木龙骨天花板是否还能够继续使用，设计人必须检查其承重表面，但也不必要揭开整个天花板的构造层一窥究竟。
www.gis123.com.cn
This damage, which occurs on a more frequent basis, is caused by vertical motion against the lower bearing surfaces. This damage generally is shallow and can be removed by machining.
这类主要与使用频率有关的损伤是接触到下部轴承表面的垂直方向运动造成的，通常靠切削就能去除这类浅层损伤。
The oil that is splashed around will circulate metal debris to the lubricated bearing surfaces.
许多四处飞溅的机油会将金属屑带进轴承表面。

These are relatively small pieces of the earth's crust that, when caught between two larger plates, spin around as the larger plates move—like a ball-bearing caught between two surfaces.
ECONOMIST: Geophysics