Pneumatic tube system
01
气动管道系统, 气动管道网络
a network of tubes that uses compressed air or vacuum to transport small items or documents quickly and securely within a building or facility
例子
In the bank, tellers used a pneumatic tube system to send documents and cash securely to the vault.
在银行，出纳员使用气动管道系统将文件和现金安全地发送到金库。
