When the baby goes out to the park or on the beach, the mother will worry about where to sit, squatting on the ground is too tired to play, sitting on the ground is not clean, the little butt is covered with dirt, carry this kind of small portable folding
The crystal oscillator refers to a slice (abbreviated as a wafer) from a quartz crystal at a certain azimuth angle, a quartz crystal resonator, which is simply referred to as a quartz crystal or a crystal, and a crystal oscillator; and a crystal element i
TD4B Tabletop Low Speed Centrifuge is newly developed by our company on the basis of rich experience in centrifuge line. It can meet the requirement of clinical medicine.