气动管 PNEUMATIC TUBE ; Pneumatikschlauch
气动管道传送器 Pneumatic tube conveyors ; pneumatic tube conveyer
气动管道阀 HPJA
气动管道装卸系统 pneumatic conveyer system
进口气动管夹阀 Pneumatic Pinch Valve
气动管路 pneumatic piping ; air circuit
气动管道取样器 pneumatic pipe sampler
气动管路[气回路 air circuit
气动管道系统 pneumatic tube system
探讨气动管道系统 pneumatictubesystem ; PTS
19世纪初美国邮政使用了气动管精密系统，但伦敦使用了完全不同的方式，建立了这个小规模的铁路系统，只能用于包裹运输使用。
The USPS used an elaborate system ofpneumatic tubes during the early 19th century, but London took anentirely different approach and built this scaled-down railroad systemto be used only for parcels.
作为1号阀的替代品，美国红阀公司A型夹管阀和无故障气动系统700，也就是左图中的3号阀，极大地改善了流体介质的流动性。
As a replacement of valve number 1 with Red valve's Type a and pneumatic fail-safe system 700, valve number 3 has accomplished an improvement in the fluid dynamics of the system.
本文介绍了能满足以上要求的新型双直线气动鹤管的工作原理和试验应用。
This paper makes an introduction of the operating principle and trial application of the new pneumatic loading arms that can meet the need mentioned above.
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