To check the pipes, valves, connections, such as whether there is leakage of hose, if any, should be promptly repaired.
要检查各管道、阀门、连接胶管等处有无渗漏现象，如有则应及时修复。
2
The company mainly produces each kind of automobile to use the hose, each kind of mechanical pipeline, the radiator pipes fitting three broad headings.
公司主要生产各种汽车用软管、各类机械管路，水暖管道配件三大类。
3
Flexibel, reinforced high-pressure hose, used to connect the fixed brake pipes to the brake assemblies that move up an down with the wheels.