In recent years, with the development of industries, changes in the global climate, and the impact of unscientific pesticide application by farmers, fruit and tree pests have been increasing year by year, and the area has increased year by year, resulting in huge fruit production.......
According to statistics, in 2012, the number of machine tools imported from Germany by the Chinese machine tool mark.......
Ten tips for using the balance: 1. Place it in a horizontal place. The code is zeroed.
2. Adjust the balance nut (the nut on both ends of the balanc.......
2. When the incubator is used in Shanghai, it needs water injection to work properly. Operation method: Plug in the power sup.......
Flat gate valve structure features:
1. The plate gate valve has two floating valve seats. Each valve seat is designed to seal in both directions when the medium flows. Therefore, the plate gate valve can not only realize two-way sealing but also can realiz.......
Demolition of flanges or valve drainage belong to routine routine chemical industry, we work before we have to understand what is the hidden dangers of this work:
Liquid or gas splashes, scalding yourself or your colleagues around you
Heavy objects fall, bruised
Bum.......
First, the necessary prerequisite is: a professional inspection of the slurry pump seal in advance:
1, check the installation of the mechanical seal models, specifications are corre.......