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May Day International Labor Day 王敏 宣盟网络 新星队

May Day International Labor Day, also known as International Labor Day and Labor Day, is the Labor Day of most countries in the world. The festival originated from the strike of workers in Chicago,...

Led Street Light-贸拓-超越队-孙思怡-s

An LED street light is an integrated light that uses light emitting diodes (LED) as its light source. These are considered integrated lights because, in most cases, the luminaire and the fixture ar...

Systematic Identification Of Pigments-江苏鼎秀-五组新星队-黄苏皖

A pigment powder of unknown origin should be identified by systematic identification. First, we should find out whether the pigment is organic or inorganic. Generally, it can be determined by rapid...

How To Develop Solar Street Lights 云动力 梦想队 顾芹茹

With the increasing scarcity of traditional energy sources, the application of solar energy will become more and more common, especially the solar energy category has become a mature sunrise indust...

What Kind Of Naughty Devices Do Children Like In The Indoor Children's Park

What kind of naughty devices do children like in the indoor children's Park Indoor children's Park is a favorite place for children. Every community or shopping mall will have an indoor chi...