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Anonymous users2024-01-24Generally speaking, it is a wireless signal amplifier, divided into two kinds of mobile and Unicom, with it, the mobile phone signal of the whole building will be better.
1. The construction environment is dry and ventilated, and the effect is maintained. >>>More
The water cooler is afraid that the computer motherboard is easy to break: >>>More
1. The wooden board should not only be fixed on the calcium silicate board, but should be buckled on the top of the light steel keel, that is, at least two sides are placed on the light steel keel. Otherwise, it is not safe to fix the ceiling lamp directly, after all, the ceiling lamp weighs more than 20 pounds. >>>More
Depending on your structure and the size of the plank, the expansion screws are driven into the cement on the top and can bear a weight of 150KG.
To do decoration to play with paint, dust is flying, now the most promising is IT You can also teach yourself, learn Java or assemble 51 microcontrollers.