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In the automatic control system, the role of the AC servo motor is to convert the signal (control voltage or phase) into mechanical displacement, that is, to change the received electrical signal to a certain speed or angular position of the motor. He has high accuracy and low frequency character ---MORE---

Stairs are divided into beam staircases and slab stairs. Why are there two types of stairs? What are the differences between beam and slab stairs? I believe this is a problem people are more concerned about. So, what's the difference between letting Xiaobian share the beam-type stairs and slab ---MORE---

CQB fluorocarbon magnetic pump design not only has the general structure of a compact magnetic pump, good looks, small size, low noise, reliable operation, etc., and the flow of all the components used in the current corrosion resistance in the world Performance of the best "plastic king" ---MORE---

News Related Keywords: No tags. Urban area environmental noise standard Newly built, expanded or rebuilt enterprise noise standards Noise Standards for Various Locations in Industrial Enterprises Existing corporate noise standards The main construction machinery construction site noise average ---MORE---

1. In order to prevent the wooden door from being eroded by mites, it can be applied several times with concentrated brine on the surface to prevent mites. 2. Take the camphor oil from the cotton, make the camphor cotton pill, place the piano, wooden furniture, wardrobe, and the flow table to ---MORE---

One, infrared fence alarm working principle: Infrared fence (also called “infrared railing”) is a kind of active infrared radiation. It uses multiple infrared beams to shoot. The transmitter emits infrared light to the receiver with “low frequency emission, time-division detecti ---MORE---

The problem of safe use of pesticides in fruit trees has recently attracted more and more attention from the society. The primary problem of pesticide safety in fruit trees is the problem of phytotoxicity. The safe use of pesticides needs to proceed from the following aspects: ---MORE---