1、调压环
... 再热因子 reheat factor 调压环 relief frame (or ring) 遥控载具 remote operated vehicle (ROV) ...
2、[机]减压架
... 减压阀体 reducing valve body 减压架 relief frame 减压孔 pressure relief vent ...
3、减压架
...relief for pioneer industries ==> 先行性行业减税relief frame ==> 减压架relief from obligation ==> 免除义务 ...