Pneumatic tube

See Pneumatic dispatch, above.

pneumatic tube

(nū-mat'ik tūb) A unidirectional, continuously operating vacuum system that transfers specimens in plastic carriers from patients to the laboratory.

随便看

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。