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- 下行be issued to lower levels
- 紧急控制阀的真空管Diverter valve vacuum supply hose
- 今天下行的电梯不开。The down escalator is not running today.
- 用控制阀来调节蒸汽流量to modulate the steam flow with a control valve
- 下行(水)出闸时间downbound exit
- 工业处理控制阀---第9部分:步进式输入响应测试试验程序Industrial-process control valves -- Part 9: Test procedure for response measurements from step inputs
- 忏悔者，苦修者在忏悔的神文指导下行忏悔的人A person performing penance under the direction of a confessor.
- 碳罐控制阀canister control valve
- 下行扶梯Escalator Down
- 减速控制阀H-WM DCV Deceleration Control Valve
- 下行淤浆descending slurry
- 热气控制阀hot air control valve
- 下行流downstream
- 输油控制阀Transfering control valve
- 下行型descending type
- 水压控制阀Water hydraulic control valve
- 下行支ramus descendens
- 主动控制阀active controlled valve
- 下行制descending system
- 防喘控制阀anti-surge control valve
