2) surrounding soil
周围土层
1.
According to the characteristics of Qinghai-Tibet Plateau, rule of temperature change of concrete and foundation is studied in the process of temperature changes of drilling pouring piles and surrounding soil to provide basis for the choice of concrete frost-proof measures and temperature of concrete mixing.
针对青藏高原的特点,通过对钻孔灌注桩及其周围土层温度变化过程的研究,了解混凝土温度与地基土温度的变化规律,作为选择混凝土防冻措施和混凝土拌和料温度的依据。
3) circularly stratified-charge
周向分层
4) stratified periodical
分层周期
5) circumstellar dust
星周壳层
补充资料：土层
1.土地的表层。
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