The measurement and control system of the fiber tensile testing machine can perform various physical and mechanical tests such as stretching, compression, bending, peeling, tearing, shearing, puncture, crushing hardness, low cycle fatigue, etc. How to test the glass in the electronic universal tes-----
There are many pests in farmyard manure, such as cockroaches and worms. If they are not treated or handled improperly, the pests will multiply and will harm the crops after application. The chicken and duck manure are flattened, dried and simmered, and 1 kg of octyl sulfate is mixed per cubic mete-----
[ Huaqiang Security Network News ] There are black spots in the viewfinder. I believe that many photographers will encounter it. Even if it does not affect the shooting effect, it still affects the shooting mood. How do the viewfinder have black spots? There are black spots i-----
With the continuous expansion of the application of network cameras, the application of intelligent data communications equipment such as POE switches is also growing. A Gigabit PoE switch is a switch that can provide the PD device with a network or can provide power to the PD device through a netw-----
Short story on Ma Chunguang Chen Xueming Zhu Xu 1! 19 years 4, December 2000, I opened the team at the junction of the 蜱 蜱 蜱 休 休 休 休 ä¸¥é‡ ä¸¥é‡ ä¸¥é‡ ä¸¥é‡ ä¸¥é‡ ä¸¥é‡ ä¸¥é‡ ä¸¥é‡ ä¸¥é‡ -----
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As the world's largest industrial company, GE products and technologies are active in all areas of the world, especially heavy equipment. According to the Nikkei BP quoted Tim Schweikert, president of GE division, they have developed a marine engine based on small aircraft -----