| 释义 |
undersurface
释义
n. 下面；底面
adj. 水面下的
例句
1·It is worth popularizing as a new type undersurface layer gradation of asphalt pavement.
是一种值得推广的新型沥青路面下面层级配。
2·Large flicker of eastern North America with a red neck and yellow undersurface to wings and tail.
北美洲东部大型金翼啄木鸟，颈红色，腹部、翅膀和尾巴为黄色。
3·It provides precise dimensional tolerances, enhanced surface finishes and no undersurface cavities.
该技术可以实现精确的尺寸公差，提高表面抛光度，避免表面下空洞。
同义词
n.
下面；底面
basal planesubface
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