单词	range-- effective
释义	range; effective有效射程
随便看	concentration limit concentration local concentration-- mass concentration matching technique concentration matrix concentration-- maximum admissible concentration maximum permissible concentration meter concentration method concentration monitoring concentration of beam-mode informal communication concentration of capital concentration of chlorine concentration of [credit etc] risk concentration of electrons concentration of environmental standard concentration of fish concentration of output concentration of ownership concentration of stress concentration of stress; stress concentration concentration of suspended solid concentration on ground concentration overpotential concentration overvoltage