In compounds such as chorobenzene, bromobenzene and thiophenol it lies close to the lower limit.氯苯 、 溴苯和苯硫酚化合物的谱带出现于低限附近.The impacts of multiple operative parameters on the sony - degradation of polychlorinated biphenyls...
冷阴极传感管比玻璃热丝管坚实.Cold cathode sensing tubes are more rugged than the glass, hot - filament tubes.分析和传感单元内有注样阀.The analyser or sensing unit contains the sample - injection valve.全部载荷都传递到应变传感管上.All of the load is transmitted...