英语词汇gravel stratum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

1
?砾石层
砾石层，砂砾层
2
?砂砾层
砂砾层

短语

1
sand-gravel stratum
砂砾石层
2
sand gravel stratum
砂卵砾石层
3
frozen gravel stratum
冻结砾石层

双语例句

1
A 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。
2
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.
卵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。
3
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.
河床天然砂卵砾石层能否作为超高面板坝坝基是该工程的关键技术问题之一。

单词	gravel stratum
释义	gravel stratum 简明释义砾石层，砂砾层网络释义 1 ?砾石层砾石层，砂砾层 2 ?砂砾层砂砾层短语 1 sand-gravel stratum 砂砾石层 2 sand gravel stratum 砂卵砾石层 3 frozen gravel stratum 冻结砾石层双语例句 1 A 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。 2 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. 卵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。 3 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. 河床天然砂卵砾石层能否作为超高面板坝坝基是该工程的关键技术问题之一。
随便看	bottom-fishing bottom fitting bottom flange bottom flange plate bottom flap bottom flash bottom floor bottom (floor) bottom flora bottom flow bottom flowing pressure bottom flue bottom flushing of sediment bottom fold bottom force bottom force press bottom fork bottom former bottom formwork Bottom Fouling bottom fourth jewel bottom fraction bottom frame bottom framing bottom freezer