filler sand

• 填充砂,填

filler sand的用法和样例：

例句

1. The river is becoming chocked with sand.
   这条小河渐渐被淤沙填满了。
2. Small pieces of durable cargo can be used as filler cargo to fill in the interstice and void space.
   小件耐久货物可用作填隙货物来填充小缝和空位。