I know not what vent-hole daylight habitually illumined his soul.
我不知道是怎样一种黯淡的光经常照着他的心。
This metal case has some kind of pressure-sensitive vent hole.
金属外壳有各种各样的压敏排气孔。
Buy some copper screen and cut out pieces to go over all vent openings and the fan exhaust hole.
购买一些编织铜网，割成片状，包裹所有的机箱开口和散热风扇孔。
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