gas collecting jar with ground-on cover plate

例句：

1. 1. This gas collection jar isperfect for storing and transporting hazardouschemicals.
   这个气体收集罐非常适合储存和运输危险化学物质。
2. 2. The gas collection jar was designedto collect and store gases from thelaboratory.
   这个气体收集罐被设计用来从实验室收集和存储气体。
3. 3. The gas collectionjar was used to collect samples for furtheranalysis.
   这个气体收集罐被用来收集样本以便进一步分析。