stack sampling造句

例句与造句

1. We are a distributor of gas & chemical analyzers , stack sampling systems , meteorological instruments , energy & power systems and devices , test & measurement instruments , switches , transducers and communication products
   我们的服务项目和产品是大气和化学物质的分析工作，取样系统，大气监测系统，测量试验，传感设备，所有的这些都是针对环境保护的。
2. It's difficult to find stack sampling in a sentence. 用stack sampling造句挺难的