And its composition, production technology and formulation for aerosol propellant were described in brief.
And its composition, production technology and formulation for aerosol propellant were described in brief.
并对气雾剂的组成、制造工艺及其配方进行了概述。
And its composition, production technology and formulation for aerosol propellant were described in brief.
并对气雾剂的组成、制造工艺及其配方进行了概述。