Category: 201908
After 80 girls send blasting vests for sanitation workers

A few days ago, Xu Tinghui, a girl from Zhengzhou's late 80s, too…

Scientists have developed nano-pacing belts that can "self-power" with cardiopulmonary exercise

Users of cardiac pacemakers need electrical pulses …

Talking about "screw tightening"

The narrative mode of "screw tightening" is a framework structure with two mai…

The long road to the long road of the Spring Festival driving home should pay attention to issues (a)

The days of returning home are getting closer and closer, and you are…

Talking about what labor protection articles are equipped with

Workers will inevitably come into contact with dust, harmful gases, n…

National high-tech zone policy benefits clearly lead regional innovation

Abstract In the past 2013, China&…

China's equipment manufacturing industry is currently facing challenges

Abstract What is the footsteps of…

How to maintain the aluminum alloy hub

【China Aluminum Industry Network】 Aluminum alloy wheels are favored by more a…

What factors should be taken into account when using DC high-voltage generator to detect zinc oxide surge arresters

1. Arresters can be divided into the following types according to their development. Protectio…

Steam Infiltration Technology for Biomass Fuel Ethanol In-situ Fermentation

The research project of the in-situ fermentation-se…

27条记录/3页 1 2 3 下一页