1.
The detection of Hydrous quality about roof sandstone by mine transient electromagnetic method
顶板砂岩富水性的矿井瞬变电磁法探测
2.
Control on rock friction sparks and heating-up of sandstone roof in a coal mine
抑制煤矿砂岩顶板岩石摩擦火花和升温
3.
Characteristics of sandstone water in 11-2 roof and floor of Liuzhuang colliery and prevention and control technology
刘庄煤矿11-2煤层顶、底板砂岩水特征与防治技术
4.
sedimentary rocks,eg sandstone,limestone,slate
沉积岩(如砂岩、石灰岩、板岩).
5.
A variety of sandstone that is flexible when cut into thin slabs.
可弯砂岩当被切进薄石板时易弯曲的一种砂岩
6.
An evenly layered sedimentary rock that can be split into paving stones.
薄砂层岩,板层砂岩一种有整齐分层的能打砸成铺路石的水成岩
7.
The cardium sandstone is lithic, being composed of grains of chert, quartz, quartzite, silicified argillite, and other rock fragments.
卡迪砂岩是岩屑砂岩,由燧石,石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。
8.
a soft sandstone used for scrubbing the decks of a ship.
一种软质砂岩,用于洗磨船的甲板。
9.
Anisotropic Properties of Sandstone and Slate at Lianghekou Hydropower Station
两河口水电站砂、板岩各向异性的研究
10.
Stability study of tunnel with interbedded sand slate rock in west route of South-to-North water diversion
南水北调西线隧洞砂板岩互层围岩稳定性研究
11.
lithic arkosic wacke
岩屑长石砂岩质杂砂岩
12.
Research on the Development Technology for Lamadian Gas Cap Sandstone Reservoir;
喇嘛甸油田气顶砂岩油藏开发技术研究
13.
The host rocks of Zhaishang Au deposit are mainly argillic, calc and carbonaceous slates and silty sandstone.
寨上金矿区赋矿岩石主要为泥质、钙质、碳质板岩、粉砂岩等。
14.
Experience in combined supporting for use in large-span underground chamber under soft roof strata
软岩顶板下大断面硐室联合支护经验
15.
Detector of Coal Seam Roof Strata Based on S3C44B0X Framework
基于S3C44B0X构架下的煤层顶板岩层探测器
16.
The selecting type of the support and roof control in soft rock coal seam floor
软岩底板煤层支架选型及顶板控制研究
17.
Study on Hydrogeological Features and Evaluation of Water Inrush Danger of Sandstone at the top of Coal 3 in Yanzhou Mining Area
兖州矿区3煤顶部砂岩水文地质特征研究及突水危险性评价
18.
Pressure releasing and gas drainage with long bore hole in roof overburden of fully mechanized caving face
综放面顶板覆岩走向长钻孔卸压抽放瓦斯研究