“air grating”的概念、定义、翻译、参考文献-科学参考

单词	air grating
释义	air grating [`er ´grād·iŋ] ^{BUILDING CONSTRUCTION} A fixed metal grille on the exterior of a building through which air is brought into or discharged from the building for purposes of ventilation.
随便看	dotted swiss dotter double-acting double-acting compressor double-acting hammer double-acting pawl double action double-action die double-action forming double-action mechanical press double aging double altitudes double-amplitude-modulation multiplier double arcing double armature double-base diode double-base junction diode double-base junction transistor double-base rocket propellant double-beam cathode-ray tube double-beam spectrophotometer double beta decay double-bevel groove weld double-blind sample double-blind technique

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