load dependent relay valve

例句：

1. 1. The truck was loaded with boxes of books.
   这辆卡车装满了书的箱子。
2. 2. The train is loaded with passengers.
   火车上挤满了乘客。
3. 3. We need to load the car with groceries before we leave.
   在我们离开之前，我们需要把车装满杂货。