2021-11-12 11:42:49
The electric corrosion phenomenon in EDM was discovered as early as the end of the 19th century. For example, the electric spark generated when plugs and switches are opened and closed will damage the...
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2021-11-11 10:26:24
Many mothers know that the pacifiers used by babies cannot be used for a long time and need to be replaced regularly, but they don’t know how often it is better to change them. In fact, the specific ...
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2021-11-08 17:31:51
Because a pcb board can hold hundreds of components, some main chips are very expensive.
The test point is reserved to test the resistance to ground after the surface mount soldering of the component ...
The test point is reserved to test the resistance to ground after the surface mount soldering of the component ...
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2021-11-08 17:06:14
In our daily life, we will encounter all kinds of silicone products, such as some of the more common liquid silicone bowls and silicone baby bottles, etc., all belong to the silica gel industry. With ...
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2021-11-05 16:50:02
⒈Look at the packaging. Genuine creative toys are well-packaged. The packaging should be impeccable whether it is sealed or printed. If the pattern text on the packaging is blurred, it is not a genuin...
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2021-11-04 15:32:24
The sapphire mirror is not made of natural sapphire. Instead, it uses fine alumina powder as the raw material to form a sapphire crystal block in a certain high temperature furnace. sapphire watch cas...
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2021-11-03 14:41:38
(1) As a functional factor of medicines and health care products: reducing blood sugar and suppressing lipids, weight loss and supplementation, strengthening muscles and improving immunity.
(2) As a f...
(2) As a f...
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2021-11-03 14:41:38
(1) As a functional factor of medicines and health care products: reducing blood sugar and suppressing lipids, weight loss and supplementation, strengthening muscles and improving immunity.
(2) As a f...
(2) As a f...
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2021-11-02 11:27:03
High-quality memory foam mattresses will not be troublesome with formaldehyde. custom mattress makers.The mattresses produced by many large companies are packed in boxes as soon as they leave the fact...
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2021-11-02 11:27:02
High-quality memory foam mattresses will not be troublesome with formaldehyde. custom mattress makers.The mattresses produced by many large companies are packed in boxes as soon as they leave the fact...
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