Ultrasonic heat meterby suggests of ultrasonic flow measuring and displaying water flow by means of a heat exchange system by the emission or absorption of power meters. Through two sensors of physical quantities--heat carrier flow rate an…

Ferrous and nonferrous metals and constructing materials utilized in building consisting of composite components with other components collectively. Building metallic materials constitutes the material basis of four broad categories of mat…

Ferrous and nonferrous metals and building materials used in building consisting of composite components with other supplies collectively. Constructing metallic materials constitutes the material basis of 4 broad categories of supplies in …

Traditional wrought iron is primarily applied inside the constructing, property and garden d??cor, in France as well as the Uk, and Italy, and Switzerland, and Austria and other European countries the usage of decoration are quite broad, i…