Tubular type heat exchanger belongs to inter-wall type heat exchanger, composed of connectors, casings and other main elements, forming "internal pipe" and "shell pipe" two fluid channels. A naŋ kä puɔth ye kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ̈n yenë kek tɛ

A ye karen ye kɔrɔ̈ŋ ye kɔrɔ̈ŋ ye kɔrɔ̈ŋ ye kɔrɔ̈ŋ ye kɔrɔ̈ŋ ye kɔrɔ̈ŋ ye kɔrɔ̈ŋ ye kɔrɔ̈ŋ