pneumatic tube conveyer 风管输送机 ; 风力输送器
conveyer tube 输送管道 ; 输送带管
conveyer tube process 管道输送法
vacuum conveyer tube 真空输送管
glass tube chain conveyer 链式输管机
Continuous Conveyer of Disc-Tube Assemble 串联盘输送机
continuous conveyer of disc-tube assembly 串联盘管道连续输送机
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