the physical mechanics property of the slurry of coal dust is tested, and the actual volume of it in the separated strata space is calculated in condition that it has been compressed.
对注浆材料粉煤灰浆被压缩后的物理力学性质进行实验研究,确定其实际存在离层空间内的体积;
by methods of engineering drilling and geophysical investigation, this survey had ascertained the topographical feature of seabed, strata structure and physical mechanics property within survey area.