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Identificación de la calidad de la pizarra
1. Flatness inspection Place a steel flat ruler with a straightness tolerance of 0.1mm on the two diagonal lines of the inspected surface naturally, and ...
Inspección angular Calidad de la pizarra
It is measured with a 90 degree steel square with an internal angle perpendicularity tolerance of 0.13mm and an internal angle side length of 500mmx400mm. ...
Inspección de la calidad del aspecto de la pizarra
1. Steps Use a vernier caliper to measure the height of the steps, and measure the maximum value as the height of the steps. 2. ...
Pizarra Aspecto Calidad Inspección Calidad
1. With pattern and color tone, put the qualified board and the tested board flat on the ground, standing at a distance of 1.5m from ...
Aplicación de la pizarra en la mejora del hogar
The scientific name of slate bluestone is limestone. It is the most widely distributed rock among sedimentary rocks. It is produced all over the country. ...
¿Son buenas las baldosas de granito para la pared del suelo del baño?
Are Granite Tiles Good For Bathroom Floor and Wall Paving in Daily Life? Natural granite tiles are attractive, durable and versatile, and come in many ...