词路径
- entity
- physical entity
- object
- physical object
- whole
- unit
- artifact
- artefact
- instrumentality
- instrumentation
- device
- mechanism
- control
- controller
- regulator
上位词
- control
- controller
- functionary
- official
下位词
- aperture
- ball cock
- ballcock
- draft
- escape
- escape cock
- escape valve
- faucet
- floodgate
- flywheel
- head gate
- peg
- penstock
- petcock
- register
- relief valve
- safety valve
- sluice valve
- sluicegate
- spigot
- thermoregulator
- thermostat
- timer
- water gate