The foreign trade situation continued to deteriorate in February. According to data released by the General Administration of Customs on the 11th, the total value of China's foreign trade imports and exports in February was 124.95 billion US dollars, down 24.9% from the same period .......
4) The management of each NC equipment processing program in the workshop adopts the disk management method. On the one hand, the disk medium is easily damaged; on the other hand, for a numerical control system without a floppy disk drive, the program on the disk must be copied to th.......
The cylinder head is an important part of the internal combustion engine, and its machining accuracy directly affects the working performance of the engine. When the engine is working, since the combustible gas is ignited after being compressed in the cylinder head combu.......
Central city today's steel .......
Ethephon, also known as a test spirit, is a plant growth regulator, because its main role is ripening, it is also known as ripening agent. In the late stage of growth of cotton, cotton boll can typically 6-10 days earlier boll opening, before frost picker increased 20-30%, and can improve .......
Wettable powder
The wettable powder is a dosage form which uses a pesticide original drug, an inert filler and a certain amount of auxiliary agent, and is sufficiently mixed and pulverized in proportion to achieve a certain fineness of the powder. From the shape point of view, it is i.......
Model NO.: ISO, IDF, DIN, SMS, 3A
Free Sample: Available
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In the past, we drove like this: insert the key into the door lock and open the door; sit in the car, insert the key into the power lock under the steering wheel, and turn it gently to start the car. Later, with the anti-theft lock, we can open the door without inserti....... |