- 减压阀 jiǎnyāfá pressure-reducing valveA valve used to reduce the pressure of fluids like steam, compressed air, or hydraulic oil to a required standard level; also used to lower high water pressure in pipelines
- 减压器 jiǎnyāqì pressure reducerpressure reducer; decompressor
- 减压站 jiǎnyāzhàn pressure reduction stationA facility located on gas or water pipelines used to reduce pressure or load.
- 减压症 jiǎnyāzhèng decompression sicknessdecompression sickness; the bends
- 减压时间表 jiǎnyāshíjiānbiǎo decompression scheduledecompression schedule for diving, also known as a [[减压程序|減壓程序|jian3 ya1 cheng2 xu4]]
- 减压表 jiǎnyābiǎo decompression tablea chart used by divers to determine the timing of decompression stops when returning to the surface from deep water
- 减压程序 jiǎnyāchéngxù decompression schedulea series of steps or a schedule used to manage the reduction of pressure, such as for divers returning to the surface
- 减压病 jiǎnyābìng decompression sicknessdecompression sickness; the bends