单词	gettering
释义	gettering /ˈɡɛtərɪŋ / noun [mass noun] Electronics & Physics The removal of impurities or defects with a getter.If a maximum permissible residual gas pressure is exceeded, the electron source is automatically shut down and a gettering process is activated.... When the gettering medium becomes oxidized, it no longer removes the oxygen from the gas stream. Much has been written about gettering in the last 25 years or so, but in essence it all boils down to this.
随便看	tropic -tropic tropic acid tropical tropical cyclone tropical depression tropical forest tropical fruit Tropicalia tropicalise tropical island tropicalism tropicalismo tropicalist tropicalista tropicality tropicalize tropically tropical medicine tropical month tropical rain tropical rainforest tropical sprue tropical storm tropicamide

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