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- 18/12/1922
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- Running 10: Zhou Shen challenges the Olympic champion, contracts the whole period to watch, and the hot search topic breaks ten million seconds! _ Lv Xiaojun _ Chang Ning _ GuestOriginal title: Running 10: Zhou Shen challenges the Olympic champion, contracts the whole period to watch, and the hot search topic breaks tens of millions of seconds! The tenth program of "Running Bar 10" was still filmed in Changji, Xinjiang. At the beginning of the program, the whole staff appeared in Changji Stadium. The powerful singers in the music world, Zhou Shen and Bai Lu appeared in...0 Σχόλια 0 ΜοιράστηκεΠαρακαλούμε συνδέσου στην Κοινότητά μας για να δηλώσεις τι σου αρέσει, να σχολιάσεις και να μοιραστείς με τους φίλους σου!
- Structure of down-the-hole drill | Working principle and classification of down-the-hole drill _ RotationOriginal title: Structure of down-the-hole drill | Working principle and classification of down-the-hole drill Let the mood travel Down-the-hole drill, which you may not hear much about, is a kind of drilling machine, which is often used for drilling rock anchor cable holes, anchor holes, blasting holes, grouting holes and other drilling construction in urban construction, railway, highway,...0 Σχόλια 0 Μοιράστηκε
- [Experience sharing] Picture and text explain 6-step tips, teach you to grind drill easily, practical _ grinding wheelOriginal Title: [Experience Sharing] Picture and Text Explain 6-Step Tips, Teach You to Grind Drill Bit Easily, Practical Twist drill is a commonly used drilling tool with simple structure. It is very important to grind the drill bit well for the processing of workpieces, but it is not easy to really grind it well. The key is to master the methods and skills of sharpening. If you master the...0 Σχόλια 0 Μοιράστηκε
- Why are there black, white and gold drill bits? What's the difference? Which quality is good to buy? _ colorOriginal title: Why are there black, white and gold drill bits? What's the difference? Which one is of good quality? ☞ This is the 12159th article posted by Metalworking (mw1950pub) Editor's note Drilling is a very widely used processing method in mechanical processing. The drill bits used in drilling usually have different colors. So what do these different colors portend? Drilling is a very...0 Σχόλια 0 Μοιράστηκε
- Application of Rectification Technology in Chemical Plant Introduction _ ProcessOriginal Title: Introduction to Application of Distillation Technology in Chemical Plant Introduction: In the production of pharmacy and fine chemical industry, there are often many liquid phase or vapor phase mixtures that need to be separated or purified. Distillation technology has become the most widely used and largest mass transfer separation process. Today, I will tell you about the...0 Σχόλια 0 Μοιράστηκε
- Difference between Short-path Distillation and Molecular Distillation-Shanghai DEAOriginal Title: Difference between Short-path Distillation and Molecular Distillation-Shanghai DEA Short-path distillation, "short path" refers to a shorter distance, in a broad sense, the evaporator adopts the design scheme that the distance from the evaporation surface to the condensation surface is less than 300 MM, which can be called a short-path distiller. In terms of design structure, it...0 Σχόλια 0 Μοιράστηκε
- Use and installation of dry filter _ systemOriginal title: Use and installation of drying filter In the refrigerant system, many harmful substances will enter the pipeline through various ways, and the common ones are as follows: 1. Production or maintenance process: At this time, the refrigerant system will be open to the outside, regardless of the length of time, there will be moisture, dust into the system pipeline, in the welding...0 Σχόλια 0 Μοιράστηκε
- Status of Waste Oil Regeneration and Brief Introduction of Its Process Technology _ RecoveryOriginal Title: Status of Waste Oil Regeneration and Brief Introduction of Its Process Technology Total Cumulative Title 1350 The status of waste oil regeneration and brief introduction of its technology Source: Guangdong Chemical Authors: Yu Yanyan, Yang Xin, Wang Jie Waste oil is a dihedron, which has the dual characteristics of pollution and resource: improper treatment will cause...0 Σχόλια 0 Μοιράστηκε
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