您要查找的是不是：
- grain diameter of coal 煤粒粒径
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- By expanding the diameter of bore,enlarge the exposure area of coal bed and discharged pressure range and increase the discharge of gas.As a result,improve the draw and discharge effect of bore. 通过扩大钻孔直径,达到增加钻孔的煤层暴露面积和卸压范围,增加钻孔的抽排瓦斯量,提高钻孔的抽排效果。
- Measure the diameter of this circle. 量一下这圆的直径。
- We must gauge the diameter of wire first. 我们必须先测量电线的直径。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- 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 pond has a diameter of three hundred metres. 这池塘直径有三百米。
- The country is short of known deposits of coal. 这个国家缺少已知的煤矿矿床。
- Relation among ratio of grain diameter of gravel-fill aquifer, water discharge of specific well and loading solid content 填含比与单井出水量及井水泥沙含量关系探讨
- An inexhaustible supply of coal. 用之不竭的煤炭供应
- The pond has a diameter of 2 hundred meters. 这池塘直径有两百米。
- The average grain diameter as determined from a random cross section. 从材料任一横截面上测量的晶粒直径的平均值。
- The interior diameter of a hole,tube,or cylinder. 内径洞、管或圆柱体的内径
- Must gauge the diameter of wire first. 我们必须先测量电线的直径。
- 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。
- Measure the inner and outer diameter of big pipe. 用于测量大口径长钢管的内外径测量。
- What is diameter of circle provided? 着陆区直径?
