单词	quick-acting air valve
释义	quick-acting air valve 机快速空气阀
随便看	communication cycle communication database cdb communication data field communication data format communication data processing communication data processor communication data system communication date format communication dc power supply system communication deadlock communication dead zone Communication Decency Act communication deception communication defect communication deficit communication delay communication delay histogram communication delays communication demand communication density control communication department Communication Department Office communication description communication description entry communication description name