hermetically sealed tank car

例句：

1. 1.The hermetically sealed tank car was used to transport hazardous chemicals.
   这种密封式罐车被用来运输危险化学物质。
2. 2. The hermetically sealed tank car had to be carefully inspected before it could be used again.
   这种密封式罐车在再次使用前必须经过仔细检查。
3. 3. The hermetically sealed tank car was designed to protect the contents from contamination.
   这种密封式罐车的设计是为了保护内容物免受污染。