The following factors should be considered: First, block the air leakage passage and improve the tightness of various ventilation structures. When the main air duct is severely leaking, it is necessary to take measures to prevent leakage. Second, according to the different wind leakage conditions
Read More镧(La) "Lanthanum" This element was named in 1839, was a man named "Mo Sangde," the Swede found ceria contains other elements, he borrowed Greek "hidden" word to this element named " lanthanum". Since then, he has been on the stage of history. Lanthanu
Read MoreClassified by structure: (1) center seal butterfly valve (2) single eccentric seal coal valve (3) double eccentric sealing butterfly valve (4) three eccentric sealing butterfly valve seal material classification: (1) soft seal butterfly valve. 1) The sealing pair is made of non-metallic soft materia
Read MoreA few days ago, he and the reporter responsible for reporting on Toyota discussed the "cloud action plan" - the plan announced by Toyota on March 1st, a high-profile announcement by the outside world. After discussion, we came to the conclusion that the cloud initiative does not
Read More1, screw pump body vibration or noise: Causes: The pump is not installed properly or the pump is installed too high; the ball bearings of the motor are damaged; the spindle of the pump is bent or misaligned with the motor shaft, and is not parallel. Treatment method: Install the water pu
Read MoreModel NO.: STY-SP04 Size: 1ml/2ml/5ml/10ml/25ml/50ml Sterilization: Sterile or Non-Sterile
Read MoreHow do the majority of car owners look at fuel consumption fraud? How can owners understand the true fuel consumption of the car? How much trust does the official fuel consumption earn? Nearly half of respondents stated that car purchase will focus on official data In this survey, when i
Read MoreScientists at Harvard University in the United States stated that they had built a soft robot that they said could work without communication and power tethers. Four-legged robots can stand up and walk on the ground. The development team stated t
Read MoreHB-WS2 transformer oil trace moisture meter 1, display system: four decimal digits. 2, read out the unit: micrograms of water. 3, electrolytic current output: 0-300mA automatic control. 4, the measurement range: 5 micrograms ~ 30 milligrams of water. 5, sensitivity: 1 microgram of wate
Read MoreModel NO.: AWS E7018 Function: High Efficient Iron Powder Electrode Welding Power: DC/AC
Read MoreModel NO.: AH-CF04 HS Code: 40169990, 40169990 Spare Parts: Chain;Shackle; U-Ring
Read MoreIn recent years, more and more companies are becoming aware of the strategic importance of participating in the development of national standards and industry standards and the importance of standards in the promotion of corporate image. The participation of enterprises in the formulation of nati
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