Kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye. Equivalent elbow structure is suitable, conceived, can directly do the same pass diameter one-time connection, so in the media transfer process, limited saving of material costs, and eliminating multiple connections brought labor time waste, in the available place, very promotional value. Equivalent elbow structure is suitable, conceived, can directly do the same pass diameter one-time connection, so in the media transfer process, limited saving of material costs, and eliminating multiple connections brought labor time waste, in the available place, very promotional value.