concentration point的用法和样例：
例句
- Houston has become petroleum and the petroleum and chemical centre, gas network of pipe lines point assembling , centre being also that the astronavigation studies and develops.
休斯敦现已成为石油与石化中心，天然气管道网的汇集点，也是宇航研究和发展的中心。
concentration point的相关资料：
临近单词
concentration key
concentration
concentration on civil rights
concentration by closing eyes
concentration of rail stresses
concentration of sulfuric acid
concentration-gradient curve
concentration of total mercury
concentration explosive limits
Concentration of human capital
concentration of pesticide fog
concentration of air pollutant
