1) The gift is of small value But the thoughtfulness Behind it is immense
特薄情厚
5) extra-thick
特厚
1.
The article unifies Shangwan coal mine 1-2 coal,seam studied the caving characteristic of hard extra-thick coal,which provides certain theory basis to the research of caving character of top coal.
结合上湾煤矿后备区1-2号煤层,研究了坚硬特厚煤层的顶煤冒放性,为顶煤冒放性的研究提供了一定的理论依据。
6) thin layer depth measuring
薄层测厚
补充资料：厚薄规
测量两个接合面的间隙的量具，由不同厚度（一般为0.01—0.50毫米）的金属薄片组成。也叫塞尺。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条