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Detection method of infrared emission tube: after power supply of 850nm emission tube, the red explosion point can be directly seen in a dark environment.

Thermoplastic refers to the property that a substance can flow and deform when heated and maintain a certain shape after cooling.

Uniformity of thickness uniformity of thickness and good uniform plating ability are one of the major characteristics of electroless nickel plating and one of the reasons for its wide application.

First of all, let's learn about the decorative effects of different materials of the lampshade. The cloth lampshade gives people the impression of simplicity and elegance. The paper lampshade can c...

It has high light transmission, high diffusion, no glare, no light shadow; Excellent concealment of the light source (effectively adjust the diffusion rate and light transmittance, and the ligh...

Use a sealing gasket, fix one side with a pin, add a lead block, and use the principle of gravity eccentricity to seal. This structure was horizontal at first, and then evolved into vertical and ve...

Pungent cause analysis: it may be that the water seal height of the floor drain is not enough, which is very easy to dry up, causing the odor in the drainage pipe to flood into the room.

For floor drains in special places, in addition to referring to this standard, they should also meet the technical requirements of relevant industries.