I do ultra-small resistance test equipment, the general used to test the relay switch contact resistance!
我做的测试超小阻值的仪器，一般用来测试开关继电器的接触电阻！
2
Small , ultra-small models can play Piles of automatic hammer , highway , rail barrier pile , Impact also can be used to consolidate all types of roads and infrastructure .
小型、超小型号的自动打桩锤可以打护坡桩、公路铁路护栏桩、还可以用其冲击破路和夯实各类基础。
3
Due to its ultra-small size, NP can achieve intelligent delivery of drugs, such as deliver drug site-specifically to disease focus or targeted tissue, even into target cells.