1.
Measuring and Calculation Method of Borehole Effective Gas Drainage Radius
煤矿瓦斯有效抽放半径的测定计算方法
2.
Experimental Investigation on Pressure Falling Method Measuring the Borehole's Influence Radius
压降法测定钻孔的抽放影响半径试验研究
3.
Gas drainage in seam with large auto variable diameter bore holes
自动变径大直径钻孔抽放煤层瓦斯试验
4.
Place over top/bottom half of one side of a transformer to make a center tapped transformer.
放在变压器一侧的顶半部/底半部上，生成一个中间抽头变压器。
5.
Defining Efficient Influence Radium of Drilling Hole Gas Extracting by Using Gas Flow Theory
采用瓦斯流场理论确定钻孔瓦斯抽采有效影响半径
6.
Study on Gas Storage Law and Effective Extracting Radius of Borehole in Deep Coal Seam
深部煤层瓦斯赋存规律及钻孔抽采有效半径研究
7.
Generation Mechanism of Comb-Like Waves in Multi-Longitudinal Mode Laser Diode-Pumped Raman Fiber Amplifier
多纵模半导体激光抽运的拉曼光纤放大器中梳状波产生机理研究
8.
Nonlinear processes in strong ultrashort pulse pumped semiconductor optical amplifier
强超短脉冲抽运下半导体光放大器中的非线性过程
9.
A radial part, such as a ray, spoke, or radius.
放射部辐射状的部分，如光线、轮辐或半径
10.
Analysis on Influencing Factors of Gas Emission with Boreholes to Determine Drainage Radius
钻孔瓦斯涌出量确定排放半径影响因素分析
11.
Application of Geological Survey to Casing Running in Large Aperture Gas Drainage Well
地质测量在大孔径瓦斯抽放井下套管施工中的作用
12.
Drag onto the page, then place over top or bottom half of one side of a transformer to make a center-tapped transformer.
拖到绘图页上，然后放在变压器一侧的上半部或下半部上，可形成一个中间抽头的变压器。
13.
The application of the gas drainage technology in Donghai coal mine is introduced, including gas drainage in close coal layer, gas drainage in goaf, gas drainage from coal, and local gas drainage.
介绍瓦斯抽放在东海矿的应用,抽放方式为邻近层抽放、空区抽放、本煤层抽放及局部抽放。
14.
The radiation radius of the radioactive radium radiator in the stadium is variable.
放射性的镭暖气装置的辐射半径在体育场是易变的。
15.
He smoked at least half a packet of cigarettes a day.
他每天至少抽半包烟。
16.
aBout half the guys in the village were hay Burners.
村里约有一半人抽大麻。
17.
That's how you always back out.
你老是这样半路抽梯。
18.
light pumping semiconductor laser
光抽运半导体激光器