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Identificação da qualidade da ardósia
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 ...
Qualidade da inspeção angular da ardósia
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. ...
Inspeção da qualidade da aparência da ardósia
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. ...
Ardósia Aparência Qualidade Inspeção Qualidade
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 ...
Aplicação da ardósia na melhoria da casa
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. ...
Os ladrilhos de granito são bons para o piso e a parede do banheiro?
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 ...