1. Apply enough base fertilizer. Potato fertilization is based on base fertilizer, which generally accounts for 60% to 70% of the total fertilizer. When combined with soil preparation or soil cover, the seed is covered with 2000-2500 kg of organic fertilizer and covered with 150 kg of straw. After -----
PVC zipper bag is made of PVC material and a PVC zipper. It is usually made into a flat pocket. It is made of two chapters of transparent material. The outside can be used for silk screen printing. The material can be used in various transparent, matte and colored materials! Let's take a look at-----
DLP is the abbreviation of "Digital Light Procession", which is digital light processing, that is to say that this technology first digitally processes the image signal and then projects the light. It is based on the digital micromirror element DMD (Digital Micromirror Device) developed b-----
[Asia Pump Network News] High-temperature pump is a pump, pump cover, inside and outside the rotor, pump shaft, shaft seal combination of components and other components. The main drive is a set of intermeshing rotors. The shaft end seal adopts a combination of high-temperature reflux seal and wat-----
1. hinges, guides, hinges The main types of hinge-type hardware are door hinges, drawer guides and cabinet hinges. The door hinge material is copper and stainless steel. The standard area of ​​single-piece hinge is 10cm×3cm and 10cm×4cm, the diameter of -----
The hot oil pump is an ideal hot oil circulation pump or a heat carrier pump, which is an ideal matching pump for heat exchange equipment. The magnetic drive non-leakage heat transfer oil pump improves the sealing process based on the original pump. The non-leakage high temper-----
The hot oil pump is an ideal hot oil circulation pump or a heat carrier pump, which is an ideal matching pump for heat exchange equipment. The magnetic drive non-leakage heat transfer oil pump improves the sealing process based on the original pump. The non-leakage high temper-----