oxygen sensor/nmn

11.   Ventless fireplaces should be equipped with oxygen depletion sensors that cut off the flames when the oxygen in a room drops below a certain level.

n. + sensor >>共 164 个
motion 9.25%
pressure 4.91%
heat 4.91%
ground 4.05%
oxygen 3.18%
touch 3.18%
laser 2.31%
high-tech 1.73%
image 1.45%
infra-red 1.45%
oxygen + n. >>共 177 个
tank 11.92%
generator 11.73%
level 8.14%
supply 6.24%
canister 3.97%
system 3.97%
atom 2.74%
deprivation 2.27%
saturation 2.08%
bottle 1.89%
sensor 1.04%
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