Therefore, the general requirements for oxygen hose connecting the torch must be strong, while the acetylene torch and hose connector to connect to non-flat and easy to connect or disconnect prevail.

• 所以，一般要求氧气胶管必须与焊炬连接牢固，而乙炔胶管与焊炬接头连接以不漏气并容易接上或拔下为准。