Will the use of insulation materials design unit is not allowed to specify the manufacturer
Or to the top to see it, some people will tell it.
First of all, in essence, to achieve heat insulation is to block the transmission of heat, and heat transmission methods are: heat radiation, heat conduction and convection
Contents Foreword The first chapter Construction enterprise safety production management 1 The first chapter The first section enterprise safety management plan 31 list of projects under construction AQ1
