您要查找的是不是：
- minable thickness of coal 煤层可开采厚度
- The infection of deep part mining to draining of superficid part water bearing ground,thickness of coal bed and obliquity to mining are analyzed. 分析了覆盖破坏的覆岩岩性及结构对地表移动和覆岩破坏的影响,深部开采对浅部含水层疏干、煤层厚度及倾角对开采条件的影响;
- The Early to Middle Jurassic Shuixigou Group in Turpan-Hami basin is a series of coal measure strata with a thickness of 2000m. 摘要吐哈盆地中下侏罗统水西沟群是一套厚达2000m的河沼-湖沼相煤系地层，其中的煤岩及暗色泥岩是已发现油气藏的主要源岩。
- Through testing, reagent ratios of coagulant and flocculate have been selected for accelerating the settlement of coal dressing wastewater and lowering thickness of overflow. 通过试验,确定了凝聚剂和絮凝剂的最佳药剂配比,以加速煤泥水中微细粒在浓缩机中的沉降,降低溢流浓度。
- Besides such objective conditions as the thickness of coal bed, faint awareness of treasuring resources,lack of supervision,and deficiency in management r... 分析原因,除客观条件(如煤层厚度)等因素外,生产单位珍惜资源的意识淡漠,监管缺位和管理制度缺陷都在很大程度上影响了回采率的提高。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- The hardness and thickness of coal seam play a great role in the vertical distribution of stress in coal and the occurrence of rock bunt under the condition of hard roof and hard floor. 在“两硬”条件下，煤层厚度与硬度的变化对煤体中的应力分布有着很大的影响，从而对煤岩体系统中冲击矿压的发生有着很大的影响。
- A single thickness of a split hide. 皮厚一层被剥下的皮的厚度
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- We are in the thick of examinations. 我们正处在考试最紧张的时刻。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- This paper analyzes on the influence of the variation in thickness of coal seam and the supporting method on the coal quality,and based on this,advances some measures for reducing the gangue production to improve the coal quality on the tunneling faces. 分析了煤层厚度变化和支护方式对煤质的影响,在此基础上提出了若干减少出矸以提高掘进工作面出煤质量的措施。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- The country is short of known deposits of coal. 这个国家缺少已知的煤矿矿床。
- I can't come out at present. You can see I'm in the thick of all this work. 我现在不能出去，你看得出我工作正紧张。
- An inexhaustible supply of coal. 用之不竭的煤炭供应
- The thickness of sima is not easily measured. 硅美圈的厚度是不容易测量的。
- So that the thickness of silk thread will be even. 这样丝的粗细就均匀了。
- China has a wealth of coal, iron and other minerals. 中国有丰富的煤、铁和其它矿产资源。
