เข้าสู่ระบบ สมัครสมาชิก

angle of flow การใช้

ประโยคมือถือ
  • Based on the basic principle of hydromechanics , combined the demands of washing flow speed of city heat power pipe net engineering construction and check and acceptance rule , from the angle of flow speed , the harm state of inter pipe remaining material to pipe net is classified and analyzed . the relation between the normal flow speed and washing suspension speed is approached