subbase

基本解釋

While holding down on the cone, tighten the subbase screws.
用手壓住漏斗，擰緊座墊固定螺絲。
So the void ratio method is feasible in compaction control of subbase.
因此，路基壓實(shí)用空隙率法控制是切實(shí)可行的。
Silt and clay is the main fillings of high-qulity subbase in our country.
粉性土、粘性土為我國(guó)高等級(jí)公路路基的主要填料。
Research the relationship between dry density,inner friction angle and cohesion of low liquid limit silt subbase.
研究低液限粉性土路基的干密度與內(nèi)摩擦角、粘聚力的關(guān)系；
It is a common phenomenon that lime-fly-ash stabilized-aggregates acts as the base and subbase of highways.
摘要二灰碎石作為各類公路的基層和底基層已是普遍現(xiàn)象。