internal drop

• 内部电压降,内压降

internal drop的用法和样例：

例句

1. They are commonly used where a minimum pressure drop is important.
   通常用在要求压降最小的应用场合。
2. The inventory of solids in a fluidized bed can easily be found by pressure drop measurements across the bed.
   流化床内的固定藏量可以用测定床层的压降办法很容易地求得。