gravel stratum信息详情
砾石层，砂砾层
gravel───n.(Gravel)人名；(英、法、西)格拉韦尔；n.碎石；砂砾；vt.用碎石铺；使船搁浅在沙滩上；使困惑
gravel lock───碎石闸
stratum granulosum───[解剖]颗粒层；[组织]粒层
stratum basale───[组织]基底层；（组织）基底层
gravel rash───砾石皮疹（非正式）
stratum lucidum───[组织]透明层
clingstone gravel───粘石砾石
stratum germinativum───[组织]生发层
gravel binder───砾石粘结剂
controlled blasting technology was applied to the construction of freezing thick gravel stratum section in the main shaft of Xulou Mine.───许楼煤矿在主井人工冻结巨厚砾岩段施工中，采用了控制爆破技术。
rock-soil foundation treatment and constructiont echnology of sand and gravel stratum;───级配砂石垫层换填处理薄层软土地基是一种经济实用的方法。
Drilling in gravel stratum is one of present difficulties in drilling area with low drilling speed, short service life of bit and high drilling cost.───砾石地层钻进是钻探的难题之一，不仅钻进速度低，钻头的使用寿命短，而且钻探成本高。
Study of Blasting Techniques of Frozen Gravel Stratum in Vertical Well Tunneling───立井掘进冻结砾石层爆破技术初步研究
Effect Analysis Before and After Bottom Grouting of A Test Pile in Gravel Stratum───砾石层中同一根试桩桩底注浆前后效果分析
A study on the causes of cracks in cement stabilized gravel stratum and its prevention measures───水泥稳定碎石基层裂缝出现的原因及预防措施
Superficial rock-soil foundation treatment and construction technology of sand and gravel stratum───浅层岩土型地基处理及砂砾石垫层施工技术
Engineering Performance Evaluation of Gravel Stratum at the Engineering───某工程砾石层工程性能评价
Construction of cement stabilized gravel stratum and quality control in expressway project───高速公路水泥稳定碎石上基层施工与质量控制
Whether the natural sand gravel stratum in the river bed would serve as the foundation of the superhigh faced rockfill dam or not was one of the key technical problems of the project.