- Model NO.: WR-13S Diamond Dental Burs .......
The splintering of young apple trees refers to the phenomenon that the branches die after overwintering, which is caused by the imbalance of moisture inside the tree due to the difference in ground temperature and air temperature. Before the apples.......
Soil acidification Reasons for soil acidification: First, the amount of precipitation or watering is large and concentrated; second, the long-term application of large amounts of chemical fertilizers.
Solution: Pay attention to the applic.......
- Model NO.: 1020CH(IPR) .......
Hand-foot-and-mouth disease is an infectious disease caused by enteroviruses. There are more than 20 types of enteroviruses causing HFMD, including Coxsackievirus A16 (Cox A16) and enterovirus 71 (EV 71). ) The most common. Occurred in children under the age of 5,.......