Noise / acoustic calibrator model: GJY4 / CEL110

Main features ☆ Highly stable acoustic performance ☆ Double calibration sound pressure level 94dB and 114dB (Type 1)
☆ Simple to use ☆ Ergonomic design ☆ Complies with IEC60942: 2003 and ANSIS1.40-1984 standards ☆ Screen display prompts wheth

The role of multimedia in music teaching

Dong Lingling No. 2 Junior High School, Dusheng Town, Cang County, Cangzhou City, Hebei Province Cangzhou Hebei 061029

With the rapid development of modern science and technology, multimedia is continuously applied to education and teaching, especially p

Can I print on offset press if the font is missing?

Q: Can the missing font be printed?

A: If the font is missing, you simply ca n’t display the font you want. If you have to print it, there ’s no problem. But the font is missing. Or you can ask someone to replace the missing fonts with other similar ones. In this case

Online flight laser marking machine

Features of the model: The carbon dioxide laser imported from the United States is a general-purpose model with a small size and a high degree of integration.

Applicable materials and industrial applications Can engrave a variety of non-metallic materials.
Used in clothing